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  Plantae
    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Asterids
               Lamiids
                    Lamiales
                            <b>Plantaginaceae</b>
                                     <i>Acanthorrhinum</i>
                                             <i>Acanthorrhinum ramosissimum</i>
                                                   [Antirrhinum ramosissimum subsp. ramosissimum]
                                                   [Antirrhinum ramosissimum]
                                     <i>Adenosma</i>
                                             <i>Adenosma bracteosum</i>
                                             <i>Adenosma caeruleum</i>
                                             <i>Adenosma fragrans</i>
                                             <i>Adenosma indianum</i>
                                                   [Pterostigma capitatum]
                                                   [Stemodia capitata]
                                             <i>Adenosma ternata</i>
                                     <i>Ambulia</i>
                                     <i>Amphianthus</i>
                                             <i>Amphianthus pusillus</i>
                                     <i>Anarrhinum</i>
                                             <i>Anarrhinum bellidifolium</i>
                                             <i>Anarrhinum forskaolii</i>
                                               <i>Anarrhinum forskaolii subsp. abyssinicum</i>
                                                     [Anarrhinum abyssinicum]
                                               <i>Anarrhinum forskaolii subsp. forskaolii</i>
                                                     [Simbuleta arabica]
                                                     [Simbuleta forskaohlii]
                                               <i>Anarrhinum forskaolii subsp. pubescens</i>
                                                     [Anarrhinum pubescens]
                                             <i>Anarrhinum fruticosum</i>
                                               <i>Anarrhinum fruticosum subsp. brevifolium</i>
                                               <i>Anarrhinum fruticosum subsp. demnatense</i>
                                               <i>Anarrhinum fruticosum subsp. fruticosum</i>
                                             <i>Anarrhinum laxiflorum</i>
                                             <i>Anarrhinum orientale</i>
                                             <i>Anarrhinum pedatum</i>
                                     <i>Angelonia</i>
                                             <i>Angelonia angustifolia</i>
                                             <i>Angelonia arguta</i>
                                                   [Angelonia serrata]
                                             <i>Angelonia biflora</i>
                                             <i>Angelonia blanchetii</i>
                                             <i>Angelonia campestris</i>
                                                   [Angelonia bisaccata]
                                                   [Angelonia hookeriana]
                                             <i>Angelonia ciliaris</i>
                                             <i>Angelonia cornigera</i>
                                             <i>Angelonia crassifolia</i>
                                             <i>Angelonia eriostachys</i>
                                                   [Angelonia spectabilis]
                                             <i>Angelonia gardneri</i>
                                             <i>Angelonia goyazensis</i>
                                             <i>Angelonia hassleriana</i>
                                             <i>Angelonia integerrima</i>
                                             <i>Angelonia micrantha</i>
                                             <i>Angelonia parviflora</i>
                                             <i>Angelonia perennis</i>
                                                   [Angelonia micrantha var. perennis]
                                             <i>Angelonia pilosella</i>
                                                   [Angelonia cubensis]
                                             <i>Angelonia pratensis</i>
                                             <i>Angelonia procumbens</i>
                                             <i>Angelonia pubescens</i>
                                             <i>Angelonia salicariifolia</i>
                                                   [Angelonia hirta]
                              Antirrhinoideae
                                     <i>Nanorrhinum</i>
                                             <i>Nanorrhinum asparagoides</i>
                                                   [Kickxia asparagoides]
                                                   [Linaria asparagoides]
                                             <i>Nanorrhinum ramosissimum</i>
                                                   [Kickxia adpressa]
                                                   [Kickxia dibolophylla]
                                                   [Kickxia somalensis]
                                                   [Linaria ramosissima]
                                                   [Linaria somalensis]
                                                   [Nanorrhinum dibolophyllum]
                                                   [Pogonorrhinum somalense]
                                               <i>Nanorrhinum ramosissimum subsp. ramosissimum</i>
                                                     [Kickxia ramosissima]
                                             <i>Nanorrhinum stenanthum</i>
                                                   [Linaria stenantha]
                                             <i>Nanorrhinum urbani</i>
                                                   [Kickxia urbanii]
                                     <i>Schweinfurthia</i>
                                             <i>Schweinfurthia papilionacea</i>
                                                   [Antirrhinum papilionaceum]
                                             <i>Schweinfurthia pedicellata</i>
                                                   [Anarrhinum pedicellatum]
                                                   [Schweinfurthia aptera]
                                                   [Schweinfurthia pedicellaris]
                                             <i>Schweinfurthia pterosperma</i>
                                                   [Antirrhinum pterospermum]
                                                   [Schweinfurthia pterosperma var. angustifolia]
                                                   [Schweinfurthia pterosperma var. latifolia]
                                     <i>Antirrhinum</i>
                                             <i>Antirrhinum antirrhiniflorum</i>
                                             <i>Antirrhinum australe</i>
                                             <i>Antirrhinum bellidifolium</i>
                                             <i>Antirrhinum braun-blanquetii</i>
                                             <i>Antirrhinum breweri</i>
                                             <i>Antirrhinum calycinum</i>
                                             <i>Antirrhinum cirrhigerum</i>
                                             <i>Antirrhinum controversum</i>
                                             <i>Antirrhinum cornutum</i>
                                               <i>Antirrhinum cornutum var. leptaleum</i>
                                             <i>Antirrhinum costatum</i>
                                                   [Sairocarpus costatus]
                                             <i>Antirrhinum elatine</i>
                                             <i>Antirrhinum emarginatum</i>
                                             <i>Antirrhinum genistifolium</i>
                                             <i>Antirrhinum glandulosum</i>
                                             <i>Antirrhinum glutinosum</i>
                                             <i>Antirrhinum hispanicum</i>
                                             <i>Antirrhinum hookerianum</i>
                                             <i>Antirrhinum kelloggii</i>
                                             <i>Antirrhinum latifolium</i>
                                                   [Antirrhinum majus subsp. latifolium]
                                             <i>Antirrhinum leptaleum</i>
                                             <i>Antirrhinum linkianum</i>
                                             <i>Antirrhinum litigiosum</i>
                                                   [Antirrhinum barrelieri]
                                             <i>Antirrhinum majus</i>
                                               <i>Antirrhinum majus subsp. linkianum</i>
                                               <i>Antirrhinum majus subsp. tortuosum</i>
                                                     [Antirrhinum tortuosum]
                                               <i>Antirrhinum majus var. latifolium</i>
                                             <i>Antirrhinum martenii</i>
                                             <i>Antirrhinum meonanthum</i>
                                             <i>Antirrhinum molle</i>
                                             <i>Antirrhinum multiflorum</i>
                                             <i>Antirrhinum orontium</i>
                                               <i>Antirrhinum orontium var. grandiflorum</i>
                                             <i>Antirrhinum ovatum</i>
                                             <i>Antirrhinum pusillum</i>
                                                   [Antirrhinum nuttallianum f. pusillum]
                                             <i>Antirrhinum sempervirens</i>
                                             <i>Antirrhinum siculum</i>
                                             <i>Antirrhinum speciosum</i>
                                             <i>Antirrhinum spurium</i>
                                             <i>Antirrhinum subcordatum</i>
                                                   [Antirrhinum vagans var. bolanderi]
                                             <i>Antirrhinum vagans</i>
                                             <i>Antirrhinum valentinum</i>
                                             <i>Antirrhinum vexillo-calyculatum</i>
                                               <i>Antirrhinum vexillo-calyculatum subsp. breweri</i>
                                               <i>Antirrhinum vexillo-calyculatum subsp. intermedium</i>
                                               <i>Antirrhinum vexillo-calyculatum subsp. vexillo-calyculatum</i>
                                             <i>Antirrhinum vexillocalyculatum</i>
                                               <i>Antirrhinum vexillocalyculatum subsp. breweri</i>
                                                     [Antirrhinum breweri var. ovalifolium]
                                               <i>Antirrhinum vexillocalyculatum subsp. intermedium</i>
                                               <i>Antirrhinum vexillocalyculatum subsp. vexillocalyculatum</i>
                                               <i>Antirrhinum vexillocalyculatum vexillocalyculatum</i>
                                             <i>Antirrhinum virga</i>
                                             <i>Antirrhinum watsonii</i>
                                     <i>Aragoa</i>
                                             <i>Aragoa abietina</i>
                                             <i>Aragoa cupressina</i>
                                             <i>Aragoa lucidula</i>
                                             <i>Aragoa occidentalis</i>
                                     <i>Asarina</i>
                                             <i>Asarina erubescens</i>
                                             <i>Asarina petrophila</i>
                                             <i>Asarina procumbens</i>
                                             <i>Asarina stricta</i>
                                     <i>Bacopa</i>
                                             <i>Bacopa acuminata</i>
                                               <i>Bacopa acuminata var. brevifolia</i>
                                                     [Mecardonia acuminata var. brevifolia]
                                               <i>Bacopa acuminata var. microphylla</i>
                                             <i>Bacopa albida</i>
                                                   [Monocardia albida]
                                             <i>Bacopa alternifolia</i>
                                             <i>Bacopa angulata</i>
                                                   [Herpestis angulata]
                                             <i>Bacopa aquatica</i>
                                                   [Herpestis bacopoides]
                                                   [Herpestis stellarioides var. pumila]
                                                   [Herpestis stellarioides]
                                             <i>Bacopa arenaria</i>
                                                   [Herpestis arenaria]
                                             <i>Bacopa axillaris</i>
                                                   [Caconapea appressa]
                                                   [Herpestis axillaris]
                                             <i>Bacopa braunii</i>
                                                   [Hydranthelium braunii]
                                             <i>Bacopa caroliniana</i>
                                                   [Bacopa amplexicaulis]
                                                   [Herpestis amplexicaulis]
                                                   [Herpestis marginata]
                                             <i>Bacopa cochlearia</i>
                                                   [Herpestis cochlearia]
                                             <i>Bacopa congesta</i>
                                             <i>Bacopa crenata</i>
                                                   [Bacopa calycina]
                                                   [Herpestis calycina]
                                                   [Herpestis crenata]
                                                   [Moniera calycina]
                                             <i>Bacopa cyclophylla</i>
                                             <i>Bacopa debilis</i>
                                                   [Caconapea debilis]
                                             <i>Bacopa decumbens</i>
                                                   [Bacopa erecta]
                                                   [Herpestis decumbens]
                                                   [Moniera decumbens]
                                             <i>Bacopa depressa</i>
                                                   [Monniera graveolens]
                                             <i>Bacopa domingensis</i>
                                             <i>Bacopa dubia</i>
                                             <i>Bacopa egensis</i>
                                                   [Hydranthelium egense]
                                             <i>Bacopa eisenii</i>
                                             <i>Bacopa floribunda</i>
                                                   [Bacopa pubescens]
                                                   [Herpestis floribunda]
                                                   [Moniera bicolor]
                                                   [Moniera floribunda]
                                                   [Moniera pubescens]
                                                   [Stemodia floribunda]
                                             <i>Bacopa gracilis</i>
                                                   [Herpestis gracilis]
                                             <i>Bacopa gratioloides</i>
                                                   [Caconapea gratioloides]
                                             <i>Bacopa hamiltoniana</i>
                                               <i>Bacopa hamiltoniana var. angustisepala</i>
                                               <i>Bacopa hamiltoniana var. hamiltoniana</i>
                                                     [Herpestis hamiltoniana]
                                                     [Moniera hamiltoniana]
                                             <i>Bacopa humifusa</i>
                                                   [Herpestis humifusa]
                                             <i>Bacopa imbricata</i>
                                                   [Herpestis imbricata]
                                             <i>Bacopa innominata</i>
                                             <i>Bacopa lacertosa</i>
                                             <i>Bacopa lanigera</i>
                                                   [Herpestis lanigera]
                                             <i>Bacopa laxiflora</i>
                                                   [Bacopa auriculata]
                                                   [Herpestis laxiflora]
                                             <i>Bacopa lisowskiana</i>
                                             <i>Bacopa micromonnieria</i>
                                                   [Herpestis micromonnieria]
                                             <i>Bacopa monnieri</i>
                                                   [Bacopa monnieria]
                                                   [Bramia monnieri]
                                                   [Bramia monnieria]
                                                   [Gratiola monnieri]
                                                   [Gratiola monnieria]
                                                   [Herpestis africana]
                                                   [Herpestis cuneifolia]
                                                   [Herpestis monnieria]
                                                   [Lysimachia monnieri]
                                                   [Moniera africana]
                                               <i>Bacopa monnieri var. cuneifolia</i>
                                             <i>Bacopa monnierioides</i>
                                                   [Bacopa parviflora]
                                                   [Herpestis beccabunga]
                                                   [Ranaria monnierioides]
                                             <i>Bacopa myriophylloides</i>
                                                   [Herpestis myriophylloides]
                                             <i>Bacopa occultans</i>
                                                   [Moniera occultans]
                                             <i>Bacopa paraguariensis</i>
                                                   [Herpestis paraguariensis]
                                               <i>Bacopa paraguariensis subsp. congesta</i>
                                                     [Bacopa hirsuta]
                                             <i>Bacopa punctata</i>
                                                   [Moniera punctata]
                                             <i>Bacopa reflexa</i>
                                                   [Herpestis reflexa]
                                                   [Limnophila costaricensis]
                                                   [Naiadothrix longipes]
                                             <i>Bacopa repens</i>
                                                   [Bacopa curtipes]
                                                   [Conobea innominata]
                                                   [Gratiola repens]
                                                   [Macuillamia obovata]
                                                   [Macuillamia repens]
                                             <i>Bacopa reptans</i>
                                                   [Herpestis reptans]
                                             <i>Bacopa rotundifolia</i>
                                                   [Bacopa nobsiana]
                                                   [Bacopa simulans]
                                                   [Bramia rotundifolia]
                                                   [Herpestis obovata]
                                                   [Hydranthelium rotundifolium]
                                                   [Macuillamia limosa]
                                                   [Macuillamia rotundifolia]
                                             <i>Bacopa salzmannii</i>
                                                   [Monocardia humilis]
                                                   [Monocardia lilacina]
                                                   [Monocardia violacea]
                                             <i>Bacopa scabra</i>
                                                   [Bacopa hassleriana]
                                                   [Bacopa rojasii]
                                                   [Herpestis scabra]
                                             <i>Bacopa serpyllifolia</i>
                                                   [Herpestis serpyllifolia]
                                             <i>Bacopa sessiliflora</i>
                                                   [Caconapea conferta]
                                                   [Herpestis acuta]
                                                   [Herpestis sessiliflora]
                                             <i>Bacopa stemodioides</i>
                                                   [Caconapea stemodioides]
                                             <i>Bacopa stragula</i>
                                             <i>Bacopa stricta</i>
                                                   [Herpestis elongata]
                                                   [Herpestis polyantha]
                                                   [Herpestis stricta]
                                             <i>Bacopa valerii</i>
                                             <i>Bacopa verticillata</i>
                                                   [Caconapea verticillata]
                                     <i>Basistemon</i>
                                             <i>Basistemon bogotensis</i>
                                             <i>Basistemon peruvianus</i>
                                                   [Basistemon klugii]
                                             <i>Basistemon pulchellus</i>
                                                   [Basistemon rusbyi]
                                                   [Desdemona pulchella]
                                             <i>Basistemon silvaticus</i>
                                             <i>Basistemon spinosus</i>
                                                   [Hassleropsis spinosa]
                                     <i>Benjaminia</i>
                                             <i>Benjaminia reflexa</i>
                                     <i>Besseya</i>
                                             <i>Besseya alpina</i>
                                                   [Synthyris alpina]
                                             <i>Besseya arizonica</i>
                                             <i>Besseya bullii</i>
                                             <i>Besseya cinerea</i>
                                             <i>Besseya plantaginea</i>
                                             <i>Besseya ritteriana</i>
                                                   [Synthyris ritteriana var. obtusa]
                                                   [Synthyris ritteriana]
                                             <i>Besseya rubra</i>
                                             <i>Besseya wyomingensis</i>
                                     <i>Bougueria</i>
                                     <i>Bramia</i>
                                     <i>Bryodes</i>
                                     <i>Caconapea</i>
                                             <i>Caconapea stricta</i>
                                     <i>Callitriche</i>
                                             <i>Callitriche anisoptera</i>
                                             <i>Callitriche antarctica</i>
                                             <i>Callitriche bifida</i>
                                             <i>Callitriche bolanderi</i>
                                             <i>Callitriche brutia</i>
                                               <i>Callitriche brutia var. brutia</i>
                                               <i>Callitriche brutia var. hamulata</i>
                                               <i>Callitriche brutia var. naftolskyi</i>
                                             <i>Callitriche cophocarpa</i>
                                                   [Callitriche polymorpha]
                                             <i>Callitriche cribrosa</i>
                                             <i>Callitriche deflexa</i>
                                             <i>Callitriche fassettii</i>
                                                   [Callitriche autumnalis var. bicarpellaris]
                                             <i>Callitriche favargeri</i>
                                             <i>Callitriche fuscicarpa</i>
                                             <i>Callitriche hamulata</i>
                                             <i>Callitriche hedbergiorum</i>
                                             <i>Callitriche hermaphroditica</i>
                                                   [Callitriche autumnalis]
                                               <i>Callitriche hermaphroditica subsp. hermaphroditica</i>
                                                     [Callitriche linearis]
                                             <i>Callitriche heterophylla</i>
                                               <i>Callitriche heterophylla heterophylla</i>
                                               <i>Callitriche heterophylla subsp. bolanderi</i>
                                               <i>Callitriche heterophylla subsp. heterophylla</i>
                                                     [Callitriche anceps]
                                               <i>Callitriche heterophylla var. bolanderi</i>
                                               <i>Callitriche heterophylla var. heterophylla</i>
                                             <i>Callitriche intermedia</i>
                                               <i>Callitriche intermedia subsp. hamulata</i>
                                               <i>Callitriche intermedia subsp. intermedia</i>
                                             <i>Callitriche japonica</i>
                                             <i>Callitriche keniensis</i>
                                             <i>Callitriche lechleri</i>
                                             <i>Callitriche lenisulca</i>
                                             <i>Callitriche longipedunculata</i>
                                             <i>Callitriche lusitanica</i>
                                             <i>Callitriche marginata</i>
                                               <i>Callitriche marginata var. longipedunculata</i>
                                               <i>Callitriche marginata var. marginata</i>
                                             <i>Callitriche mathezii</i>
                                             <i>Callitriche muelleri</i>
                                             <i>Callitriche nuttallii</i>
                                             <i>Callitriche obtusangula</i>
                                             <i>Callitriche occidentalis</i>
                                                   [Callitriche microcarpa]
                                             <i>Callitriche oreophila</i>
                                             <i>Callitriche palustris</i>
                                                   [Callitriche fallax]
                                                   [Callitriche palustris var. verna]
                                                   [Callitriche verna]
                                                   [Callitriche vernalis]
                                               <i>Callitriche palustris var. oryzetorum</i>
                                               <i>Callitriche palustris var. palustris</i>
                                             <i>Callitriche pedunculosa</i>
                                             <i>Callitriche peploides</i>
                                                   [Callitriche drummondii]
                                                   [Callitriche peploides var. media]
                                               <i>Callitriche peploides var. peploides</i>
                                               <i>Callitriche peploides var. semialata</i>
                                             <i>Callitriche petriei</i>
                                             <i>Callitriche platycarpa</i>
                                             <i>Callitriche pulchra</i>
                                             <i>Callitriche regis-jubae</i>
                                             <i>Callitriche sepulta</i>
                                             <i>Callitriche stagnalis</i>
                                                   [Callitriche palustris subsp. stagnalis]
                                             <i>Callitriche stenoptera</i>
                                             <i>Callitriche terrestris</i>
                                                   [Callitriche austinii]
                                                   [Callitriche deflexa var. austinii]
                                                   [Callitriche deflexa var. subsessilis]
                                               <i>Callitriche terrestris subsp. subsessilis</i>
                                               <i>Callitriche terrestris subsp. terrestris</i>
                                                     [Callitriche deflexa var. austini]
                                               <i>Callitriche terrestris subsp. turfosa</i>
                                                     [Callitriche turfosa]
                                               <i>Callitriche terrestris terrestris</i>
                                             <i>Callitriche trochlearis</i>
                                             <i>Callitriche truncata</i>
                                               <i>Callitriche truncata subsp. occidentalis</i>
                                               <i>Callitriche truncata subsp. truncata</i>
                                             <i>Callitriche vulcanicola</i>
                              Callitrichoideae
                                     <i>Campylanthus</i>
                                             <i>Campylanthus anisotrichus</i>
                                                   [Campylanthus incanus var. anisotrichus]
                                             <i>Campylanthus glaber</i>
                                                   [Campylanthus benthamii var. hirsutus]
                                                   [Campylanthus benthamii]
                                                   [Campylanthus glaber var. pumilus]
                                               <i>Campylanthus glaber subsp. spathulatus</i>
                                                     [Campylanthus glaber var. puberulus]
                                                     [Campylanthus spathulatus]
                                             <i>Campylanthus incanus</i>
                                             <i>Campylanthus junceus</i>
                                             <i>Campylanthus monicae</i>
                                             <i>Campylanthus parviflorus</i>
                                             <i>Campylanthus reconditus</i>
                                             <i>Campylanthus salsoloides</i>
                                             <i>Campylanthus somaliensis</i>
                                             <i>Campylanthus spinosus</i>
                                                   [Chamaeacanthus pumilus]
                                     <i>Chaenorhinum</i>
                                             <i>Chaenorhinum calycinum</i>
                                                   [Chaenorhinum rytidospermum]
                                             <i>Chaenorhinum exile</i>
                                                   [Linaria exilis]
                                             <i>Chaenorhinum flexuosum</i>
                                               <i>Chaenorhinum flexuosum subsp. flexuosum</i>
                                               <i>Chaenorhinum flexuosum subsp. maroccanum</i>
                                             <i>Chaenorhinum glareosum</i>
                                             <i>Chaenorhinum grandiflorum</i>
                                             <i>Chaenorhinum idaeum</i>
                                             <i>Chaenorhinum litorale</i>
                                               <i>Chaenorhinum litorale subsp. litorale</i>
                                                     [Linaria litoralis]
                                             <i>Chaenorhinum minus</i>
                                               <i>Chaenorhinum minus minus</i>
                                               <i>Chaenorhinum minus subsp. minus</i>
                                                     [Antirrhinum minus]
                                             <i>Chaenorhinum origanifolium</i>
                                               <i>Chaenorhinum origanifolium subsp. origanifolium</i>
                                                     [Linaria origanifolia]
                                             <i>Chaenorhinum raveyi</i>
                                             <i>Chaenorhinum rubrifolium</i>
                                               <i>Chaenorhinum rubrifolium subsp. gerense</i>
                                               <i>Chaenorhinum rubrifolium subsp. rubrifolium</i>
                                             <i>Chaenorhinum rupestre</i>
                                             <i>Chaenorhinum suttonii</i>
                                             <i>Chaenorhinum villosum</i>
                                               <i>Chaenorhinum villosum subsp. granatense</i>
                                               <i>Chaenorhinum villosum subsp. villosum</i>
                                                     [Linaria macrocalyx]
                                     <i>Chamaeacanthus</i>
                                     <i>Chelone</i>
                                             <i>Chelone angustifolia</i>
                                             <i>Chelone chlorantha</i>
                                             <i>Chelone cuthbertii</i>
                                             <i>Chelone filiformis</i>
                                             <i>Chelone glabra</i>
                                                   [Chelone glabra f. rosea]
                                                   [Chelone glabra f. tomentosa]
                                                   [Chelone glabra subsp. elongata]
                                               <i>Chelone glabra var. chlorantha</i>
                                               <i>Chelone glabra var. dilatata</i>
                                               <i>Chelone glabra var. elatior</i>
                                               <i>Chelone glabra var. elongata</i>
                                               <i>Chelone glabra var. glabra</i>
                                               <i>Chelone glabra var. lanceolata</i>
                                               <i>Chelone glabra var. linifolia</i>
                                               <i>Chelone glabra var. ochroleuca</i>
                                               <i>Chelone glabra var. typica</i>
                                             <i>Chelone grimesii</i>
                                             <i>Chelone latifolia</i>
                                             <i>Chelone lyonii</i>
                                             <i>Chelone montana</i>
                                               <i>Chelone montana var. elatior</i>
                                             <i>Chelone obliqua</i>
                                               <i>Chelone obliqua var. erwiniae</i>
                                               <i>Chelone obliqua var. obliqua</i>
                                               <i>Chelone obliqua var. speciosa</i>
                                             <i>Chelone rubicunda</i>
                              Chelonoideae
                                     <i>Pennellianthus</i>
                                             <i>Pennellianthus frutescens</i>
                                                   [Penstemon frutescens]
                                     <i>Chionophila</i>
                                             <i>Chionophila jamesii</i>
                                             <i>Chionophila tweedyi</i>
                                     <i>Cockburnia</i>
                                     <i>Collinsia</i>
                                             <i>Collinsia antonina</i>
                                               <i>Collinsia antonina subsp. antonina</i>
                                               <i>Collinsia antonina subsp. purpurea</i>
                                             <i>Collinsia arvensis</i>
                                             <i>Collinsia austromontana</i>
                                             <i>Collinsia bartsiaefolia</i>
                                             <i>Collinsia bartsiifolia</i>
                                               <i>Collinsia bartsiifolia var. bartsiifolia</i>
                                               <i>Collinsia bartsiifolia var. davidsonii</i>
                                               <i>Collinsia bartsiifolia var. hirsuta</i>
                                               <i>Collinsia bartsiifolia var. stricta</i>
                                             <i>Collinsia bicolor</i>
                                               <i>Collinsia bicolor var. austromontana</i>
                                             <i>Collinsia brachysiphon</i>
                                             <i>Collinsia breviflora</i>
                                             <i>Collinsia bruceae</i>
                                             <i>Collinsia callosa</i>
                                             <i>Collinsia childii</i>
                                             <i>Collinsia concolor</i>
                                             <i>Collinsia corymbosa</i>
                                             <i>Collinsia davidsonii</i>
                                             <i>Collinsia franciscana</i>
                                             <i>Collinsia grandiflora</i>
                                             <i>Collinsia greenei</i>
                                             <i>Collinsia heterophylla</i>
                                               <i>Collinsia heterophylla var. austromontana</i>
                                               <i>Collinsia heterophylla var. heterophylla</i>
                                             <i>Collinsia latifolia</i>
                                             <i>Collinsia linearis</i>
                                             <i>Collinsia monticola</i>
                                             <i>Collinsia multicolor</i>
                                             <i>Collinsia parryi</i>
                                                   [Collinsia cahonis]
                                             <i>Collinsia parviflora</i>
                                                   [Antirrhinum tenellum]
                                                   [Collinsia grandiflora var. pusilla]
                                                   [Collinsia minima]
                                                   [Collinsia parviflora var. minima]
                                                   [Collinsia tenella]
                                               <i>Collinsia parviflora var. collina</i>
                                               <i>Collinsia parviflora var. grandiflora</i>
                                                     [Collinsia grandiflora var. nana]
                                               <i>Collinsia parviflora var. parviflora</i>
                                             <i>Collinsia parvula</i>
                                             <i>Collinsia pusilla</i>
                                             <i>Collinsia rattani</i>
                                             <i>Collinsia rattanii</i>
                                                   [Collinsia glandulosa]
                                               <i>Collinsia rattanii subsp. glandulosa</i>
                                               <i>Collinsia rattanii subsp. rattanii</i>
                                               <i>Collinsia rattanii var. linearis</i>
                                             <i>Collinsia solitaria</i>
                                             <i>Collinsia sparsiflora</i>
                                               <i>Collinsia sparsiflora var. arvensis</i>
                                               <i>Collinsia sparsiflora var. bruceae</i>
                                               <i>Collinsia sparsiflora var. collina</i>
                                               <i>Collinsia sparsiflora var. solitaria</i>
                                               <i>Collinsia sparsiflora var. sparsiflora</i>
                                             <i>Collinsia stricta</i>
                                             <i>Collinsia tinctoria</i>
                                                   [Collinsia barbata]
                                             <i>Collinsia torreyi</i>
                                               <i>Collinsia torreyi var. brevicarinata</i>
                                               <i>Collinsia torreyi var. latifolia</i>
                                               <i>Collinsia torreyi var. linearis</i>
                                               <i>Collinsia torreyi var. torreyi</i>
                                               <i>Collinsia torreyi var. wrightii</i>
                                             <i>Collinsia verna</i>
                                             <i>Collinsia violacea</i>
                                             <i>Collinsia wrightii</i>
                                     <i>Conobea</i>
                                             <i>Conobea aquatica</i>
                                             <i>Conobea polystachya</i>
                                             <i>Conobea scoparioides</i>
                                                   [Sphaerotheca scoparioides]
                                     <i>Cymbalaria</i>
                                             <i>Cymbalaria aequitriloba</i>
                                             <i>Cymbalaria hepaticifolia</i>
                                             <i>Cymbalaria longipes</i>
                                             <i>Cymbalaria muralis</i>
                                               <i>Cymbalaria muralis muralis</i>
                                               <i>Cymbalaria muralis subsp. muralis</i>
                                                     [Cymbalaria cymbalaria]
                                             <i>Cymbalaria pallida</i>
                                     <i>Deinostema</i>
                                             <i>Deinostema adenocaula</i>
                                             <i>Deinostema violacea</i>
                                                   [Gratiola violacea]
                                     <i>Dichroma</i>
                              Digitalidoideae
                                     <i>Wulfeniopsis</i>
                                             <i>Wulfeniopsis amherstiana</i>
                                                   [Wulfenia amherstiana]
                                     <i>Digitalis</i>
                                             <i>Digitalis ambigua</i>
                                             <i>Digitalis atlantica</i>
                                             <i>Digitalis canariensis</i>
                                             <i>Digitalis cedretorum</i>
                                             <i>Digitalis chalcantha</i>
                                             <i>Digitalis ferruginea</i>
                                             <i>Digitalis grandiflora</i>
                                                   [Digitalis ochroleuca]
                                             <i>Digitalis isabelliana</i>
                                             <i>Digitalis laevigata</i>
                                               <i>Digitalis laevigata subsp. graeca</i>
                                             <i>Digitalis lamarckii</i>
                                             <i>Digitalis lanata</i>
                                                   [Digitalis eriostachya]
                                               <i>Digitalis lanata subsp. trojana</i>
                                                     [Digitalis trojana]
                                             <i>Digitalis leucophaea</i>
                                             <i>Digitalis lutea</i>
                                               <i>Digitalis lutea subsp. lutea</i>
                                             <i>Digitalis mariana</i>
                                               <i>Digitalis mariana subsp. heywoodii</i>
                                             <i>Digitalis minor</i>
                                             <i>Digitalis nervosa</i>
                                             <i>Digitalis obscura</i>
                                               <i>Digitalis obscura subsp. laciniata</i>
                                               <i>Digitalis obscura subsp. obscura</i>
                                               <i>Digitalis obscura subsp. riphaea</i>
                                             <i>Digitalis orientalis</i>
                                             <i>Digitalis parviflora</i>
                                             <i>Digitalis purpurascens</i>
                                                   [Digitalis media]
                                             <i>Digitalis purpurea</i>
                                                   [Digitalis nevadensis]
                                               <i>Digitalis purpurea subsp. amandiana</i>
                                               <i>Digitalis purpurea subsp. heywoodii</i>
                                               <i>Digitalis purpurea subsp. purpurea</i>
                                               <i>Digitalis purpurea subsp. toletana</i>
                                               <i>Digitalis purpurea var. alba</i>
                                               <i>Digitalis purpurea var. amandiana</i>
                                               <i>Digitalis purpurea var. gloxiniiflora</i>
                                               <i>Digitalis purpurea var. purpurea</i>
                                               <i>Digitalis purpurea var. tomentosa</i>
                                             <i>Digitalis sceptrum</i>
                                             <i>Digitalis subalpina</i>
                                             <i>Digitalis thapsi</i>
                                             <i>Digitalis transiens</i>
                                             <i>Digitalis viridiflora</i>
                                             <i>Digitalis ×fucata</i>
                                                   [Digitalis ×longiflora]
                                             <i>Digitalis ×fulva</i>
                                                   [Digitalis ×fuscescens]
                                                   [Digitalis ×mertonensis]
                                     <i>Dopatrium</i>
                                             <i>Dopatrium angolense</i>
                                             <i>Dopatrium baoulense</i>
                                             <i>Dopatrium caespitosum</i>
                                             <i>Dopatrium dortmanna</i>
                                             <i>Dopatrium junceum</i>
                                             <i>Dopatrium lobelioides</i>
                                             <i>Dopatrium longidens</i>
                                             <i>Dopatrium macranthum</i>
                                                   [Dopatrium luteum]
                                                   [Dopatrium schweinfurthii]
                                                   [Dopatrium tricolor]
                                             <i>Dopatrium pusillum</i>
                                             <i>Dopatrium senegalense</i>
                                                   [Dopatrium dawei]
                                                   [Dopatrium nanum]
                                                   [Dopatrium peulhorum]
                                             <i>Dopatrium stachytarphetioides</i>
                                             <i>Dopatrium tenerum</i>
                                                   [Ambulia tenera]
                                                   [Limnophila tenera]
                                                   [Stemodia tenera]
                                                   [Stemodiacra tenera]
                                     <i>Elatinoides</i>
                                     <i>Ellisiophyllum</i>
                                             <i>Ellisiophyllum pinnatum</i>
                                     <i>Encopella</i>
                                             <i>Encopella tenuifolia</i>
                                                   [Encopa tenuifolia]
                                     <i>Epixiphium</i>
                                     <i>Erinus</i>
                                             <i>Erinus africanus</i>
                                             <i>Erinus alpinus</i>
                                             <i>Erinus lychnideus</i>
                                             <i>Erinus thiabaudii</i>
                                             <i>Erinus tomentosus</i>
                                             <i>Erinus verticillatus</i>
                                     <i>Galvesia</i>
                                     <i>Galvezia</i>
                                             <i>Galvezia ballii</i>
                                             <i>Galvezia fruticosa</i>
                                             <i>Galvezia glabrata</i>
                                             <i>Galvezia lanceolata</i>
                                                   [Galvezia limensis var. grandiflora]
                                             <i>Galvezia limensis</i>
                                             <i>Galvezia rupicola</i>
                                             <i>Galvezia speciosa</i>
                                     <i>Gambelia</i>
                                           [Kuhlia]
                                           [Saccularia]
                                             <i>Gambelia juncea</i>
                                                   [Galvezia juncea var. foliosa]
                                                   [Galvezia juncea var. pubescens]
                                                   [Galvezia juncea]
                                                   [Saccularia juncea]
                                                   [Saccularia veatchii]
                                             <i>Gambelia speciosa</i>
                                                   [Galvezia speciosa var. pubescens]
                                     <i>Globifera</i>
                                             <i>Globifera umbrosa</i>
                                     <i>Gratiola</i>
                                             <i>Gratiola acuminata</i>
                                             <i>Gratiola amphiantha</i>
                                             <i>Gratiola aurea</i>
                                               <i>Gratiola aurea var. aurea</i>
                                               <i>Gratiola aurea var. obtusa</i>
                                             <i>Gratiola brevifolia</i>
                                             <i>Gratiola drummondii</i>
                                             <i>Gratiola ebracteata</i>
                                             <i>Gratiola flava</i>
                                                   [Gratiola pusilla]
                                             <i>Gratiola floridana</i>
                                             <i>Gratiola grandiflora</i>
                                             <i>Gratiola graniticola</i>
                                             <i>Gratiola heterosepala</i>
                                             <i>Gratiola hispida</i>
                                             <i>Gratiola linifolia</i>
                                             <i>Gratiola lutea</i>
                                                   [Gratiola aurea f. pusilla]
                                                   [Gratiola lutea var. obtusa]
                                             <i>Gratiola mauretanica</i>
                                             <i>Gratiola mexicana</i>
                                             <i>Gratiola micrantha</i>
                                             <i>Gratiola montana</i>
                                             <i>Gratiola nana</i>
                                                   [Gratiola concinna]
                                             <i>Gratiola neglecta</i>
                                                   [Gratiola gracilis]
                                                   [Gratiola lutea var. glaberrima]
                                                   [Gratiola neglecta var. glaberrima]
                                                   [Gratiola torreyi]
                                               <i>Gratiola neglecta neglecta</i>
                                               <i>Gratiola neglecta var. neglecta</i>
                                             <i>Gratiola officinalis</i>
                                             <i>Gratiola oresbia</i>
                                             <i>Gratiola peruviana</i>
                                                   [Gratiola bogotensis]
                                             <i>Gratiola pilosa</i>
                                                   [Tragiola pilosa var. epilis]
                                               <i>Gratiola pilosa var. epilis</i>
                                             <i>Gratiola pubescens</i>
                                                   [Gratiola latifolia]
                                             <i>Gratiola quartermaniae</i>
                                             <i>Gratiola ramosa</i>
                                                   [Gratiola quadridentata]
                                             <i>Gratiola sexdentata</i>
                                             <i>Gratiola sphaerocarpa</i>
                                             <i>Gratiola subulata</i>
                                             <i>Gratiola virginiana</i>
                                                   [Gratiola caroliniensis]
                                                   [Gratiola mesochora]
                                               <i>Gratiola virginiana var. aestuariorum</i>
                                               <i>Gratiola virginiana var. virginiana</i>
                                             <i>Gratiola viscidula</i>
                                               <i>Gratiola viscidula subsp. shortii</i>
                                               <i>Gratiola viscidula subsp. viscidula</i>
                                               <i>Gratiola viscidula var. shortii</i>
                                             <i>Gratiola viscosa</i>
                                                   [Gratiola virginica]
                              Gratioloideae
                                     <i>Dizygostemon</i>
                                             <i>Dizygostemon floribundum</i>
                                                   [Beyrichia floribunda]
                                     <i>Fonkia</i>
                                             <i>Fonkia uliginosa</i>
                                     <i>Ildefonsia</i>
                                             <i>Ildefonsia bibracteata</i>
                                     <i>Matourea</i>
                                           [Beyrichia]
                                             <i>Matourea azurea</i>
                                                   [Tetraplacus taubertii]
                                             <i>Matourea bicolor</i>
                                                   [Achetaria bicolor]
                                             <i>Matourea erecta</i>
                                                   [Achetaria sprengelii]
                                                   [Beyrichia villosa]
                                             <i>Matourea ocymoides</i>
                                                   [Achetaria ocymoides]
                                                   [Beyrichia ajugoides]
                                                   [Beyrichia ocymoides]
                                             <i>Matourea platychila</i>
                                                   [Tetraplacus platychilus]
                                             <i>Matourea scutellarioides</i>
                                                   [Beyrichia scutellarioides]
                                     <i>Tetraulacium</i>
                                             <i>Tetraulacium veroniciforme</i>
                                     <i>Gymnandra</i>
                                     <i>Hartia</i>
                                     <i>Hebe</i>
                                             <i>Hebe andersonii</i>
                                             <i>Hebe macrocarpa</i>
                                               <i>Hebe macrocarpa var. macrocarpa</i>
                                             <i>Hebe salicifolia</i>
                                             <i>Hebe speciosa</i>
                                             <i>Hebe subalpina</i>
                                             <i>Hebe venustula</i>
                                             <i>Hebe x franciscana</i>
                                                   [Veronica decussata]
                                     <i>Hemiphragma</i>
                                             <i>Hemiphragma heterophyllum</i>
                                               <i>Hemiphragma heterophyllum var. dentatum</i>
                                               <i>Hemiphragma heterophyllum var. heterophyllum</i>
                                     <i>Herpestis</i>
                                             <i>Herpestis auriculata</i>
                                             <i>Herpestis chamaedryoides</i>
                                             <i>Herpestis monnieri</i>
                                             <i>Herpestis rotundifolia</i>
                                             <i>Herpestis salzmannii</i>
                                     <i>Hippuris</i>
                                             <i>Hippuris lanceolata</i>
                                             <i>Hippuris montana</i>
                                             <i>Hippuris tetraphylla</i>
                                             <i>Hippuris vulgaris</i>
                                                   [Hippuris tetraphylla f. lacunarum]
                                     <i>Holmgrenanthe</i>
                                             <i>Holmgrenanthe petrophila</i>
                                                   [Maurandella petrophila]
                                     <i>Howelliella</i>
                                             <i>Howelliella ovata</i>
                                     <i>Hydranthelium</i>
                                     <i>Hydropityon</i>
                                     <i>Isoplexis</i>
                                             <i>Isoplexis canariensis</i>
                                     <i>Keckiella</i>
                                             <i>Keckiella antirrhinoides</i>
                                                   [Penstemon antirrhinoides subsp. antirrhinoides]
                                                   [Penstemon antirrhinoides]
                                               <i>Keckiella antirrhinoides antirrhinoides</i>
                                               <i>Keckiella antirrhinoides subsp. antirrhinoides</i>
                                                     [Keckiella antirrhinoides var. antirrhinoides]
                                               <i>Keckiella antirrhinoides subsp. microphylla</i>
                                                     [Keckiella antirrhinoides var. microphylla]
                                                     [Penstemon antirrhinoides subsp. microphyllus]
                                                     [Penstemon microphyllus]
                                             <i>Keckiella breviflora</i>
                                               <i>Keckiella breviflora subsp. breviflora</i>
                                               <i>Keckiella breviflora subsp. glabrisepala</i>
                                               <i>Keckiella breviflora var. breviflora</i>
                                               <i>Keckiella breviflora var. glabrisepala</i>
                                             <i>Keckiella cordifolia</i>
                                                   [Penstemon cordifolius]
                                             <i>Keckiella corymbosa</i>
                                             <i>Keckiella lemmonii</i>
                                             <i>Keckiella rothrockii</i>
                                               <i>Keckiella rothrockii subsp. jacintensis</i>
                                               <i>Keckiella rothrockii subsp. rothrockii</i>
                                               <i>Keckiella rothrockii var. jacintensis</i>
                                               <i>Keckiella rothrockii var. rothrockii</i>
                                             <i>Keckiella ternata</i>
                                               <i>Keckiella ternata subsp. septentrionalis</i>
                                               <i>Keckiella ternata subsp. ternata</i>
                                               <i>Keckiella ternata ternata</i>
                                               <i>Keckiella ternata var. septentrionalis</i>
                                                     [Penstemon ternatus var. septentrionalis]
                                               <i>Keckiella ternata var. ternata</i>
                                     <i>Kickxia</i>
                                             <i>Kickxia acerbiana</i>
                                                   [Kickxia nubica]
                                                   [Linaria acerbiana]
                                                   [Linaria nubica]
                                                   [Nanorrhinum acerbianum]
                                             <i>Kickxia aegyptiaca</i>
                                                   [Antirrhinum aegyptiacum]
                                                   [Elatinoides aegyptiaca]
                                                   [Linaria aegyptiaca f. tibestica]
                                                   [Linaria aegyptiaca]
                                                   [Linaria fruticosa]
                                               <i>Kickxia aegyptiaca subsp. aegyptiaca</i>
                                                     [Linaria fruticosa var. villosa]
                                               <i>Kickxia aegyptiaca subsp. battandieri</i>
                                                     [Linaria aegyptiaca subsp. battandieri]
                                                     [Linaria aegyptiaca var. crassipes]
                                                     [Linaria aegyptiaca var. dolichopoda]
                                                     [Linaria aegyptiaca var. micromerioides]
                                                     [Linaria micromerioides]
                                               <i>Kickxia aegyptiaca subsp. fruticosa</i>
                                                     [Linaria aegyptiaca var. villosa]
                                               <i>Kickxia aegyptiaca subsp. tibestica</i>
                                                     [Linaria aegyptiaca f. minuta]
                                                     [Linaria aegyptiaca subsp. tibestica]
                                               <i>Kickxia aegyptiaca subsp. virgata</i>
                                             <i>Kickxia cirrhosa</i>
                                                   [Linaria cirrhosa]
                                             <i>Kickxia commutata</i>
                                               <i>Kickxia commutata subsp. commutata</i>
                                               <i>Kickxia commutata subsp. graeca</i>
                                                     [Linaria graeca]
                                             <i>Kickxia dentata</i>
                                             <i>Kickxia elatine</i>
                                                   [Linaria sieberi]
                                               <i>Kickxia elatine elatine</i>
                                               <i>Kickxia elatine subsp. crinita</i>
                                                     [Kickxia subsessilis]
                                                     [Linaria crinita]
                                                     [Linaria sieberi subsp. crinita]
                                               <i>Kickxia elatine subsp. elatine</i>
                                             <i>Kickxia elatinoides</i>
                                             <i>Kickxia elegans</i>
                                                   [Antirrhinum elegans]
                                                   [Kickxia brunneri]
                                                   [Linaria brunneri]
                                               <i>Kickxia elegans subsp. dichondrifolia</i>
                                                     [Kickxia brunneri subsp. dichondrifolia]
                                                     [Linaria dichondrifolia]
                                               <i>Kickxia elegans subsp. elegans</i>
                                                     [Linaria brunneri var. glaberrima]
                                                     [Linaria brunneri var. parietariifolia]
                                               <i>Kickxia elegans subsp. webbiana</i>
                                                     [Kickxia brunneri subsp. webbiana]
                                                     [Kickxia webbiana]
                                                     [Linaria webbiana]
                                             <i>Kickxia floribunda</i>
                                                   [Linaria floribunda]
                                             <i>Kickxia hastata</i>
                                                   [Linaria hastata]
                                                   [Linaria indecora]
                                                   [Nanorrhinum hastatum]
                                             <i>Kickxia heterophylla</i>
                                                   [Antirrhinum heterophyllum]
                                                   [Antirrhinum sagittatum]
                                                   [Kickxia gracilis]
                                                   [Kickxia kasalensis]
                                                   [Kickxia patula]
                                                   [Linaria gracilis]
                                                   [Linaria heterophylla var. linearifolia]
                                                   [Linaria pendula]
                                                   [Linaria sagittata]
                                                   [Linaria spartioides]
                                                   [Nanorrhinum heterophyllum]
                                                   [Pogonorrhinum heterophyllum]
                                               <i>Kickxia heterophylla subsp. canariensis</i>
                                               <i>Kickxia heterophylla subsp. heterophylla</i>
                                               <i>Kickxia heterophylla subsp. subsucculenta</i>
                                               <i>Kickxia heterophylla subsp. urbanii</i>
                                             <i>Kickxia lanigera</i>
                                                   [Linaria lanigera]
                                             <i>Kickxia macilenta</i>
                                                   [Kickxia bentii]
                                                   [Linaria benthii]
                                                   [Linaria bentii]
                                                   [Linaria macilenta]
                                                   [Nanorrhinum bentii]
                                                   [Nanorrhinum macilentum]
                                             <i>Kickxia monodiana</i>
                                                   [Linaria monodiana]
                                             <i>Kickxia pendula</i>
                                             <i>Kickxia pseudoscoparia</i>
                                             <i>Kickxia scoparia</i>
                                             <i>Kickxia spartioides</i>
                                             <i>Kickxia spuria</i>
                                               <i>Kickxia spuria subsp. integrifolia</i>
                                               <i>Kickxia spuria subsp. spuria</i>
                                                     [Linaria spuria]
                                     <i>Lafuentea</i>
                                             <i>Lafuentea jeanpertiana</i>
                                     <i>Lagotis</i>
                                             <i>Lagotis alutacea</i>
                                                   [Lagotis lancilimba]
                                               <i>Lagotis alutacea var. rockii</i>
                                                     [Lagotis rockii]
                                             <i>Lagotis brachystachya</i>
                                             <i>Lagotis cashmeriana</i>
                                             <i>Lagotis glauca</i>
                                               <i>Lagotis glauca subsp. glauca</i>
                                               <i>Lagotis glauca subsp. lanceolata</i>
                                               <i>Lagotis glauca subsp. minor</i>
                                               <i>Lagotis glauca var. glauca</i>
                                               <i>Lagotis glauca var. stelleri</i>
                                             <i>Lagotis integra</i>
                                             <i>Lagotis integrifolia</i>
                                                   [Lagotis altaica]
                                             <i>Lagotis minor</i>
                                                   [Lagotis hultenii]
                                             <i>Lagotis praecox</i>
                                             <i>Lagotis stelleri</i>
                                             <i>Lagotis wardii</i>
                                             <i>Lagotis yunnanensis</i>
                                     <i>Leiostemon</i>
                                             <i>Leiostemon ambiguus</i>
                                     <i>Lendneria</i>
                                             <i>Lendneria humilis</i>
                                             <i>Lendneria verticillata</i>
                                     <i>Leptandra</i>
                                             <i>Leptandra sibirica</i>
                                                   [Veronica sibirica]
                                             <i>Leptandra virginica</i>
                                     <i>Leucospora</i>
                                             <i>Leucospora coahuilensis</i>
                                                   [Stemodia coahuilensis]
                                             <i>Leucospora multifida</i>
                                                   [Capraria multifida]
                                                   [Conobea multifida]
                                                   [Stemodia multifida]
                                     <i>Limnophila</i>
                                             <i>Limnophila aquatica</i>
                                             <i>Limnophila aromatica</i>
                                                   [Limnophila aromaticoides]
                                             <i>Limnophila bangweolensis</i>
                                                   [Ambulia bangweolensis]
                                             <i>Limnophila barteri</i>
                                             <i>Limnophila ceratophylloides</i>
                                                   [Ambulia baumii]
                                                   [Ambulia ceratophylloides]
                                                   [Stemodia ceratophylloides]
                                                   [Stemodiacra ceratophylloides]
                                             <i>Limnophila chinensis</i>
                                                   [Limnophila hirsuta]
                                             <i>Limnophila connata</i>
                                                   [Limnophila hypericifolia]
                                             <i>Limnophila crassifolia</i>
                                             <i>Limnophila dasyantha</i>
                                                   [Ambulia dasyantha]
                                             <i>Limnophila erecta</i>
                                             <i>Limnophila fluviatilis</i>
                                                   [Limnophila fluviatilis f. terrestris]
                                             <i>Limnophila fragrans</i>
                                             <i>Limnophila helferi</i>
                                             <i>Limnophila heterophylla</i>
                                             <i>Limnophila indica</i>
                                                   [Ambulia gratioloides]
                                                   [Ambulia hottonioides]
                                                   [Gratiola chamaedrifolia]
                                                   [Gratiola trifida]
                                                   [Hydropityon zeylanicum]
                                                   [Limnophila gratioloides var. nana]
                                                   [Limnophila gratioloides]
                                             <i>Limnophila manilensis</i>
                                             <i>Limnophila polystachya</i>
                                             <i>Limnophila repens</i>
                                                   [Gratiola lucida]
                                                   [Limnophila conferta]
                                             <i>Limnophila rugosa</i>
                                             <i>Limnophila sessiliflora</i>
                                             <i>Limnophila x ludoviciana</i>
                                     <i>Linaria</i>
                                             <i>Linaria acutiloba</i>
                                             <i>Linaria aeruginea</i>
                                             <i>Linaria albifrons</i>
                                                   [Linaria minutiflora]
                                             <i>Linaria alpina</i>
                                             <i>Linaria amethystea</i>
                                               <i>Linaria amethystea subsp. amethystea</i>
                                               <i>Linaria amethystea subsp. broussonetii</i>
                                               <i>Linaria amethystea subsp. multipunctata</i>
                                                     [Linaria multipunctata]
                                             <i>Linaria angustissima</i>
                                             <i>Linaria arenicola</i>
                                             <i>Linaria arvensis</i>
                                               <i>Linaria arvensis subsp. arvensis</i>
                                             <i>Linaria atlantica</i>
                                             <i>Linaria bipartita</i>
                                             <i>Linaria bipunctata</i>
                                               <i>Linaria bipunctata subsp. bipunctata</i>
                                                     [Linaria filifolia]
                                             <i>Linaria bordiana</i>
                                               <i>Linaria bordiana subsp. bordiana</i>
                                             <i>Linaria bungei</i>
                                                   [Linaria transiliensis]
                                             <i>Linaria capraria</i>
                                             <i>Linaria chalepensis</i>
                                             <i>Linaria clementei</i>
                                             <i>Linaria corifolia</i>
                                             <i>Linaria cossonii</i>
                                             <i>Linaria cymbalaria</i>
                                             <i>Linaria dalmatica</i>
                                                   [Linaria dalmatica var. dalmatica]
                                               <i>Linaria dalmatica subsp. dalmatica</i>
                                                     [Linaria genistifolia subsp. dalmatica]
                                                     [Linaria jattae]
                                               <i>Linaria dalmatica subsp. macedonica</i>
                                                     [Linaria dalmatica var. macedonica]
                                                     [Linaria macedonica]
                                             <i>Linaria decipiens</i>
                                             <i>Linaria dissita</i>
                                             <i>Linaria elatine</i>
                                             <i>Linaria elatinoides</i>
                                             <i>Linaria elegans</i>
                                             <i>Linaria fallax</i>
                                             <i>Linaria fastigiata</i>
                                             <i>Linaria flava</i>
                                             <i>Linaria floridana</i>
                                             <i>Linaria genistifolia</i>
                                               <i>Linaria genistifolia subsp. genistifolia</i>
                                                     [Linaria genistifolia var. genistifolia]
                                             <i>Linaria gharbensis</i>
                                             <i>Linaria glauca</i>
                                             <i>Linaria grandiflora</i>
                                             <i>Linaria granidflora</i>
                                             <i>Linaria haelava</i>
                                             <i>Linaria hirta</i>
                                             <i>Linaria imzica</i>
                                             <i>Linaria incarnata</i>
                                             <i>Linaria italica</i>
                                             <i>Linaria japonica</i>
                                             <i>Linaria joppensis</i>
                                             <i>Linaria kurdica</i>
                                             <i>Linaria latifolia</i>
                                             <i>Linaria laxiflora</i>
                                               <i>Linaria laxiflora subsp. laxiflora</i>
                                             <i>Linaria macroura</i>
                                             <i>Linaria mamorensis</i>
                                             <i>Linaria maroccana</i>
                                             <i>Linaria michauxii</i>
                                             <i>Linaria micrantha</i>
                                             <i>Linaria microsepala</i>
                                             <i>Linaria minor</i>
                                             <i>Linaria multicaulis</i>
                                               <i>Linaria multicaulis subsp. aurasiaca</i>
                                               <i>Linaria multicaulis subsp. galioides</i>
                                               <i>Linaria multicaulis subsp. gigantea</i>
                                               <i>Linaria multicaulis subsp. heterophylla</i>
                                                     [Linaria heterophylla]
                                               <i>Linaria multicaulis subsp. multicaulis</i>
                                               <i>Linaria multicaulis subsp. pseudosupina</i>
                                             <i>Linaria munbyana</i>
                                             <i>Linaria nigricans</i>
                                                   [Linaria fragrans]
                                             <i>Linaria odora</i>
                                             <i>Linaria pallida</i>
                                             <i>Linaria paradoxa</i>
                                             <i>Linaria parviracemosa</i>
                                             <i>Linaria pedunculata</i>
                                             <i>Linaria pelisseriana</i>
                                             <i>Linaria peloponnesiaca</i>
                                                   [Antirrhinum strictum]
                                             <i>Linaria peltieri</i>
                                             <i>Linaria pinifolia</i>
                                             <i>Linaria platycalyx</i>
                                             <i>Linaria polygalifolia</i>
                                             <i>Linaria popovii</i>
                                             <i>Linaria pseudoviscosa</i>
                                             <i>Linaria purpurea</i>
                                             <i>Linaria pyramidalis</i>
                                               <i>Linaria pyramidalis subsp. pyramidalis</i>
                                                     [Linaria pyramidata]
                                             <i>Linaria reflexa</i>
                                               <i>Linaria reflexa subsp. agglutinans</i>
                                               <i>Linaria reflexa subsp. brevicalcarata</i>
                                               <i>Linaria reflexa subsp. doumetii</i>
                                               <i>Linaria reflexa subsp. drummondiae</i>
                                               <i>Linaria reflexa subsp. puberula</i>
                                               <i>Linaria reflexa subsp. reflexa</i>
                                             <i>Linaria repens</i>
                                                   [Linaria striata var. galioides]
                                             <i>Linaria reticulata</i>
                                             <i>Linaria riffea</i>
                                             <i>Linaria saxatilis</i>
                                                   [Linaria perezii]
                                             <i>Linaria simplex</i>
                                             <i>Linaria spartea</i>
                                             <i>Linaria striata</i>
                                             <i>Linaria supina</i>
                                               <i>Linaria supina subsp. supina</i>
                                             <i>Linaria tarhunensis</i>
                                             <i>Linaria tenuis</i>
                                             <i>Linaria thibetica</i>
                                                   [Linaria yunnanensis var. caerulea]
                                             <i>Linaria thymifolia</i>
                                             <i>Linaria tingitana</i>
                                             <i>Linaria triornithophora</i>
                                             <i>Linaria triphylla</i>
                                             <i>Linaria tristis</i>
                                               <i>Linaria tristis subsp. lurida</i>
                                               <i>Linaria tristis subsp. marginata</i>
                                               <i>Linaria tristis subsp. mesatlantica</i>
                                               <i>Linaria tristis subsp. pectinata</i>
                                                     [Linaria jolyi]
                                               <i>Linaria tristis subsp. tristis</i>
                                             <i>Linaria urbanii</i>
                                             <i>Linaria ventricosa</i>
                                             <i>Linaria verticillata</i>
                                             <i>Linaria virgata</i>
                                               <i>Linaria virgata subsp. algeriensis</i>
                                               <i>Linaria virgata subsp. syrtica</i>
                                               <i>Linaria virgata subsp. tunetana</i>
                                               <i>Linaria virgata subsp. virgata</i>
                                             <i>Linaria viscosa</i>
                                             <i>Linaria vulgaris</i>
                                                   [Linaria linaria]
                                                   <i>Linaria vulgaris f. vulgaris</i>
                                               <i>Linaria vulgaris subsp. vulgaris</i>
                                                     [Antirrhinum linaria]
                                                     [Linaria versicolor]
                                                     [Linaria vulgariformis]
                                                     [Linaria vulgaris f. leucantha]
                                               <i>Linaria vulgaris vulgaris</i>
                                             <i>Linaria warionis</i>
                                             <i>Linaria weilleri</i>
                                             <i>Linaria x hybrida</i>
                                             <i>Linaria x sepium</i>
                                             <i>Linaria yunnanensis</i>
                                             <i>Linaria × polychroa</i>
                                             <i>Linaria × zaborskiana</i>
                                     <i>Littorella</i>
                                             <i>Littorella americana</i>
                                             <i>Littorella uniflora</i>
                                                   [Littorella lacustris]
                                               <i>Littorella uniflora var. americana</i>
                                     <i>Lophospermum</i>
                                             <i>Lophospermum breedlovei</i>
                                             <i>Lophospermum chiapense</i>
                                             <i>Lophospermum erectum</i>
                                             <i>Lophospermum erubescens</i>
                                                   [Maurandya lophospermum]
                                             <i>Lophospermum nubiculum</i>
                                             <i>Lophospermum physalodes</i>
                                                   [Cacabus hondurensis]
                                                   [Lyncea hispida]
                                             <i>Lophospermum purpurascens</i>
                                             <i>Lophospermum purpusii</i>
                                             <i>Lophospermum scandens</i>
                                             <i>Lophospermum turneri</i>
                                     <i>Lytanthus</i>
                                     <i>Mabrya</i>
                                             <i>Mabrya acerifolia</i>
                                                   [Asarina acerifolia]
                                                   [Maurandya acerifolia]
                                             <i>Mabrya coccinea</i>
                                             <i>Mabrya erecta</i>
                                             <i>Mabrya geniculata</i>
                                                   [Maurandya geniculata]
                                               <i>Mabrya geniculata subsp. geniculata</i>
                                               <i>Mabrya geniculata subsp. lanata</i>
                                             <i>Mabrya rosei</i>
                                                   [Maurandya rosei]
                                     <i>Macuillamia</i>
                                     <i>Maurandella</i>
                                             <i>Maurandella antirrhiniflora</i>
                                                   [Antirrhinum maurandioides]
                                                   [Asarina antirrhiniflora]
                                                   [Maurandella antirrhiniflora subsp. antirrhiniflora]
                                                   [Maurandella hederaefolia]
                                                   [Maurandya antirrhiniflora subsp. antirrhiniflora]
                                                   [Maurandya antirrhiniflora subsp. hederifolia]
                                                   [Maurandya antirrhiniflora]
                                     <i>Maurandya</i>
                                             <i>Maurandya barclaiana</i>
                                                   [Asarina barclaiana]
                                             <i>Maurandya barclayana</i>
                                             <i>Maurandya coccinea</i>
                                             <i>Maurandya erecta</i>
                                             <i>Maurandya erubescens</i>
                                             <i>Maurandya flaviflora</i>
                                                   [Asarina flaviflora]
                                             <i>Maurandya petrophila</i>
                                             <i>Maurandya purpusii</i>
                                             <i>Maurandya scandens</i>
                                                   [Maurandya semperflorens]
                                                   [Usteria scandens]
                                             <i>Maurandya wislizeni</i>
                                                   [Antirrhinum wislizeni]
                                                   [Asarina wislizeni]
                                                   [Epixiphium wislizeni]
                                             <i>Maurandya wislizenii</i>
                                     <i>Mecardonia</i>
                                             <i>Mecardonia acuminata</i>
                                                   [Herpestis nigrescens]
                                               <i>Mecardonia acuminata acuminata</i>
                                               <i>Mecardonia acuminata subsp. acuminata</i>
                                               <i>Mecardonia acuminata var. acuminata</i>
                                               <i>Mecardonia acuminata var. microphylla</i>
                                                     [Mecardonia acuminata subsp. microphylla]
                                               <i>Mecardonia acuminata var. peninsularis</i>
                                                     [Mecardonia acuminata subsp. peninsularis]
                                                     [Pagesia acuminata subsp. peninsularis]
                                             <i>Mecardonia exilis</i>
                                                   [Herpestis exilis]
                                             <i>Mecardonia flagellaris</i>
                                                   [Bacopa flagellaris]
                                                   [Herpestis flagellaris]
                                                   [Herpestis radicata]
                                             <i>Mecardonia grandiflora</i>
                                                   [Bacopa grandiflora]
                                                   [Herpestis grandiflora]
                                             <i>Mecardonia procumbens</i>
                                                   [Bacopa chamaedryoides]
                                                   [Bacopa peduncularis]
                                                   [Bacopa procumbens var. peduncularis]
                                                   [Bacopa procumbens var. schottii]
                                                   [Bacopa procumbens]
                                                   [Bacopa tenuis]
                                                   [Erinus procumbens]
                                                   [Herpestis caprarioides]
                                                   [Herpestis colubrina]
                                                   [Herpestis divaricata]
                                                   [Herpestis macrantha]
                                                   [Herpestis peduncularis]
                                                   [Herpestis vandellioides]
                                                   [Mecardonia dianthera]
                                                   [Mecardonia montevidensis]
                                                   [Mecardonia peduncularis]
                                                   [Mecardonia tenuis]
                                                   [Mecardonia vandellioides]
                                                   [Mecardonia viridis]
                                                   [Pagesia vandellioides]
                                               <i>Mecardonia procumbens var. caespitosa</i>
                                                     [Herpestis caespitosa]
                                               <i>Mecardonia procumbens var. herniarioides</i>
                                                     [Herpestis herniarioides]
                                               <i>Mecardonia procumbens var. tenella</i>
                                                     [Herpestis tenella]
                                             <i>Mecardonia serpylloides</i>
                                                   [Herpestis serpylloides]
                                                   [Mecardonia pusilla]
                                     <i>Melosperma</i>
                                             <i>Melosperma andicola</i>
                                                   [Melosperma glabra]
                                     <i>Misopates</i>
                                             <i>Misopates calycinum</i>
                                                   [Misopates orontium var. grandiflorum]
                                             <i>Misopates chrysothales</i>
                                             <i>Misopates fontqueri</i>
                                             <i>Misopates marraicum</i>
                                             <i>Misopates microcarpum</i>
                                                   [Antirrhinum nanum]
                                             <i>Misopates oranense</i>
                                             <i>Misopates orontium</i>
                                                   [Antirrhinum orontium subsp. orontium]
                                                   [Antirrhinum orontium var. foliosum]
                                               <i>Misopates orontium subsp. gibbosum</i>
                                                     [Antirrhinum gibbosum]
                                             <i>Misopates salvagens</i>
                                     <i>Mohavea</i>
                                             <i>Mohavea breviflora</i>
                                                   [Antirrhinum mohavea]
                                             <i>Mohavea confertiflora</i>
                                             <i>Mohavea viscida</i>
                                     <i>Moniera</i>
                                             <i>Moniera trifolia</i>
                                     <i>Monniera</i>
                                             <i>Monniera acuminata</i>
                                             <i>Monniera rotundifolia</i>
                                             <i>Monniera trifolia</i>
                                     <i>Monttea</i>
                                             <i>Monttea aphylla</i>
                                             <i>Monttea chilensis</i>
                                             <i>Monttea schickendantzii</i>
                                     <i>Morgania</i>
                                     <i>Neogaerrhinum</i>
                                             <i>Neogaerrhinum filipes</i>
                                                   [Antirrhinum cooperi]
                                                   [Antirrhinum filipes]
                                                   [Asarina filipes]
                                             <i>Neogaerrhinum kelloggii</i>
                                             <i>Neogaerrhinum strictum</i>
                                     <i>Nothochelone</i>
                                             <i>Nothochelone nemorosa</i>
                                                   [Chelone nemorosa]
                                     <i>Nuttallanthus</i>
                                             <i>Nuttallanthus canadensis</i>
                                                   [Antirrhinum canadense]
                                                   [Linaria canadensis f. cleistogama]
                                                   [Linaria canadensis var. canadensis]
                                                   [Linaria canadensis]
                                             <i>Nuttallanthus floridanus</i>
                                             <i>Nuttallanthus texanus</i>
                                                   [Linaria canadensis var. texana]
                                                   [Linaria texana]
                                     <i>Otacanthus</i>
                                     <i>Ourisia</i>
                                             <i>Ourisia alpina</i>
                                                   [Ourisia pallens]
                                                   [Ourisia rosea]
                                             <i>Ourisia breviflora</i>
                                               <i>Ourisia breviflora subsp. uniflora</i>
                                                     [Ourisia uniflora]
                                             <i>Ourisia caespitosa</i>
                                             <i>Ourisia californica</i>
                                             <i>Ourisia chamaedrifolia</i>
                                             <i>Ourisia coccinea</i>
                                               <i>Ourisia coccinea subsp. coccinea</i>
                                                     [Ourisia pearcei]
                                               <i>Ourisia coccinea subsp. elegans</i>
                                                     [Ourisia elegans]
                                             <i>Ourisia fragrans</i>
                                             <i>Ourisia glandulosa</i>
                                             <i>Ourisia macrophylla</i>
                                               <i>Ourisia macrophylla subsp. macrophylla</i>
                                                     [Ourisia colensoi]
                                             <i>Ourisia microphylla</i>
                                             <i>Ourisia polyantha</i>
                                                   [Ourisia diazii]
                                             <i>Ourisia pulchella</i>
                                                   [Ourisia pratioides]
                                             <i>Ourisia pygmaea</i>
                                             <i>Ourisia ruellioides</i>
                                                   [Ourisia poeppigii]
                                                   [Ourisia racemosa]
                                             <i>Ourisia serpyllifolia</i>
                                             <i>Ourisia vulcanica</i>
                                     <i>Paederota</i>
                                             <i>Paederota bonarota</i>
                                                   [Veronica bonarota]
                                     <i>Pagesia</i>
                                             <i>Pagesia acuminata</i>
                                             <i>Pagesia peduncularis</i>
                                     <i>Penstemon</i>
                                           [Penstemon x hybridus]
                                             <i>Penstemon X crideri</i>
                                             <i>Penstemon X mirus</i>
                                             <i>Penstemon abietinus</i>
                                             <i>Penstemon aboriginum</i>
                                             <i>Penstemon absarokensis</i>
                                             <i>Penstemon acaulis</i>
                                               <i>Penstemon acaulis var. acaulis</i>
                                               <i>Penstemon acaulis var. yampaensis</i>
                                             <i>Penstemon acuminatus</i>
                                               <i>Penstemon acuminatus acuminatus</i>
                                               <i>Penstemon acuminatus var. acuminatus</i>
                                               <i>Penstemon acuminatus var. congestus</i>
                                               <i>Penstemon acuminatus var. latebracteatus</i>
                                               <i>Penstemon acuminatus var. latibracteatus</i>
                                             <i>Penstemon alamosensis</i>
                                             <i>Penstemon albertinus</i>
                                                   [Penstemon caelestinus]
                                               <i>Penstemon albertinus subsp. albertinus</i>
                                             <i>Penstemon albidus</i>
                                             <i>Penstemon albifluvis</i>
                                             <i>Penstemon albomarginatus</i>
                                                   [Penstemon albomarginalis]
                                             <i>Penstemon alluviorum</i>
                                             <i>Penstemon alpinus</i>
                                               <i>Penstemon alpinus subsp. brandegeei</i>
                                               <i>Penstemon alpinus subsp. magnus</i>
                                             <i>Penstemon ambiguus</i>
                                               <i>Penstemon ambiguus subsp. ambiguus</i>
                                               <i>Penstemon ambiguus var. ambiguus</i>
                                               <i>Penstemon ambiguus var. laevissimus</i>
                                                     [Penstemon ambiguus subsp. laevissimus]
                                             <i>Penstemon ammophilus</i>
                                                   [Penstemon ammophilum]
                                             <i>Penstemon amphorellae</i>
                                             <i>Penstemon angelicus</i>
                                                   [Penstemon clevelandii var. angelicus]
                                             <i>Penstemon anguineus</i>
                                                   [Penstemon minor]
                                             <i>Penstemon angustifolius</i>
                                               <i>Penstemon angustifolius angustifolius</i>
                                               <i>Penstemon angustifolius subsp. angustifolius</i>
                                               <i>Penstemon angustifolius var. angustifolius</i>
                                               <i>Penstemon angustifolius var. caudatus</i>
                                                     [Penstemon angustifolius subsp. caudatus]
                                                     [Penstemon caudatus]
                                               <i>Penstemon angustifolius var. dulcis</i>
                                               <i>Penstemon angustifolius var. venosus</i>
                                                     [Penstemon angustifolius subsp. venosus]
                                                     [Penstemon venosus]
                                               <i>Penstemon angustifolius var. vernalensis</i>
                                             <i>Penstemon apateticus</i>
                                               <i>Penstemon apateticus subsp. apateticus</i>
                                               <i>Penstemon apateticus subsp. durangensis</i>
                                               <i>Penstemon apateticus subsp. townsendianus</i>
                                             <i>Penstemon arenarius</i>
                                             <i>Penstemon arenicola</i>
                                             <i>Penstemon aridus</i>
                                             <i>Penstemon arizonicus</i>
                                             <i>Penstemon arkansanus</i>
                                               <i>Penstemon arkansanus var. pubescens</i>
                                             <i>Penstemon assurgens</i>
                                             <i>Penstemon atropurpureus</i>
                                             <i>Penstemon attenuatus</i>
                                                   [Penstemon attenuatus f. multicolor]
                                                   [Penstemon attenuatus var. glabratus]
                                                   [Penstemon veronicifolius]
                                               <i>Penstemon attenuatus subsp. attenuatus</i>
                                               <i>Penstemon attenuatus subsp. hyacinthinus</i>
                                               <i>Penstemon attenuatus subsp. militaris</i>
                                               <i>Penstemon attenuatus subsp. palustris</i>
                                               <i>Penstemon attenuatus subsp. pseudoprocerus</i>
                                               <i>Penstemon attenuatus var. attenuatus</i>
                                               <i>Penstemon attenuatus var. hyacinthinus</i>
                                               <i>Penstemon attenuatus var. militaris</i>
                                               <i>Penstemon attenuatus var. palustris</i>
                                                     [Penstemon palustris]
                                               <i>Penstemon attenuatus var. pseudoprocerus</i>
                                                     [Penstemon owenii]
                                                     [Penstemon propinquus]
                                                     [Penstemon pseudoprocerus]
                                             <i>Penstemon atwoodii</i>
                                             <i>Penstemon auriberbis</i>
                                             <i>Penstemon australis</i>
                                               <i>Penstemon australis subsp. australis</i>
                                               <i>Penstemon australis subsp. laxiflorus</i>
                                               <i>Penstemon australis var. ameles</i>
                                             <i>Penstemon azureus</i>
                                               <i>Penstemon azureus azureus</i>
                                               <i>Penstemon azureus subsp. angustissimus</i>
                                               <i>Penstemon azureus subsp. azureus</i>
                                                     [Penstemon glaucifolius]
                                               <i>Penstemon azureus var. ambiguus</i>
                                               <i>Penstemon azureus var. angustissimus</i>
                                               <i>Penstemon azureus var. azureus</i>
                                               <i>Penstemon azureus var. parvulus</i>
                                             <i>Penstemon baccharifolius</i>
                                             <i>Penstemon barbatus</i>
                                                   [Penstemon barbatus var. coccineus]
                                                   [Penstemon flaviflorus]
                                               <i>Penstemon barbatus subsp. barbatus</i>
                                                     [Penstemon barbatus var. puberulus]
                                                     [Penstemon coeruleus]
                                               <i>Penstemon barbatus subsp. torreyi</i>
                                                     [Penstemon barbatus var. torreyi]
                                                     [Penstemon torreyi]
                                               <i>Penstemon barbatus var. barbatus</i>
                                               <i>Penstemon barbatus var. trichander</i>
                                                     [Penstemon barbatus subsp. trichander]
                                                     [Penstemon trichander]
                                             <i>Penstemon barnebyi</i>
                                             <i>Penstemon barrettiae</i>
                                             <i>Penstemon bicolor</i>
                                               <i>Penstemon bicolor subsp. bicolor</i>
                                               <i>Penstemon bicolor subsp. roseus</i>
                                               <i>Penstemon bicolor subsp. typicus</i>
                                             <i>Penstemon bleaklyi</i>
                                             <i>Penstemon bolanius</i>
                                             <i>Penstemon bracteatus</i>
                                             <i>Penstemon brandegeei</i>
                                             <i>Penstemon brandegei</i>
                                             <i>Penstemon breviculus</i>
                                                   [Penstemon jamesii subsp. breviculus]
                                             <i>Penstemon breviflorus</i>
                                               <i>Penstemon breviflorus subsp. breviflorus</i>
                                               <i>Penstemon breviflorus subsp. glabrisepalus</i>
                                             <i>Penstemon brevisepalus</i>
                                             <i>Penstemon brittoniorum</i>
                                             <i>Penstemon bryantae</i>
                                             <i>Penstemon bryantiae</i>
                                             <i>Penstemon buckleyi</i>
                                             <i>Penstemon caesius</i>
                                             <i>Penstemon caespitosus</i>
                                               <i>Penstemon caespitosus subsp. caespitosus</i>
                                               <i>Penstemon caespitosus subsp. perbrevis</i>
                                               <i>Penstemon caespitosus var. caespitosus</i>
                                               <i>Penstemon caespitosus var. desertipicti</i>
                                                     [Penstemon caespitosus subsp. desertipicti]
                                               <i>Penstemon caespitosus var. perbrevis</i>
                                               <i>Penstemon caespitosus var. suffruticosus</i>
                                             <i>Penstemon calcareus</i>
                                             <i>Penstemon californicus</i>
                                                   [Penstemon linarioides var. californicus]
                                             <i>Penstemon calycosus</i>
                                             <i>Penstemon campanulatus</i>
                                                   [Penstemon campanulatus f. pulchellus]
                                                   [Penstemon pulchellus]
                                               <i>Penstemon campanulatus subsp. campanulatus</i>
                                               <i>Penstemon campanulatus subsp. chihuahuensis</i>
                                               <i>Penstemon campanulatus subsp. subglandulosus</i>
                                                     [Penstemon campanulatus var. subglandulosus]
                                               <i>Penstemon campanulatus var. campanulatus</i>
                                               <i>Penstemon campanulatus var. chihuahuensis</i>
                                             <i>Penstemon canescens</i>
                                                   [Penstemon brittonorum]
                                                   [Penstemon laevigatus var. canescens]
                                               <i>Penstemon canescens subsp. canescens</i>
                                               <i>Penstemon canescens var. brittoniorum</i>
                                               <i>Penstemon canescens var. typicus</i>
                                             <i>Penstemon cardinalis</i>
                                               <i>Penstemon cardinalis subsp. cardinalis</i>
                                               <i>Penstemon cardinalis subsp. regalis</i>
                                                     [Penstemon regalis]
                                               <i>Penstemon cardinalis var. cardinalis</i>
                                               <i>Penstemon cardinalis var. regalis</i>
                                             <i>Penstemon cardwellii</i>
                                             <i>Penstemon carnosus</i>
                                             <i>Penstemon caryi</i>
                                             <i>Penstemon cedrosensis</i>
                                             <i>Penstemon centranthifolius</i>
                                             <i>Penstemon cephalanthus</i>
                                             <i>Penstemon cephalophorus</i>
                                             <i>Penstemon chionophilus</i>
                                             <i>Penstemon cinereus</i>
                                               <i>Penstemon cinereus subsp. foliatus</i>
                                               <i>Penstemon cinereus var. cinereus</i>
                                               <i>Penstemon cinereus var. foliatus</i>
                                             <i>Penstemon cinicola</i>
                                                   [Penstemon truncatus f. puberulus]
                                                   [Penstemon truncatus]
                                             <i>Penstemon cleburnei</i>
                                             <i>Penstemon clevelandii</i>
                                                   [Penstemon cleavelandii]
                                               <i>Penstemon clevelandii subsp. angelicus</i>
                                               <i>Penstemon clevelandii subsp. clevelandii</i>
                                               <i>Penstemon clevelandii subsp. connatus</i>
                                               <i>Penstemon clevelandii subsp. mohavensis</i>
                                               <i>Penstemon clevelandii subsp. typicus</i>
                                               <i>Penstemon clevelandii var. clevelandii</i>
                                                     [Penstemon cleavelandii var. cleavelandii]
                                               <i>Penstemon clevelandii var. connatus</i>
                                                     [Penstemon cleavelandii var. connatus]
                                               <i>Penstemon clevelandii var. mohavensis</i>
                                                     [Penstemon cleavelandii var. mohavensis]
                                             <i>Penstemon clutei</i>
                                             <i>Penstemon cobaea</i>
                                                   [Penstemon cobaea subsp. purpureus]
                                                   [Penstemon cobaea subsp. typicus]
                                                   [Penstemon cobaea var. purpureus]
                                               <i>Penstemon cobaea subsp. cobaea</i>
                                               <i>Penstemon cobaea var. cobaea</i>
                                             <i>Penstemon coccinatus</i>
                                             <i>Penstemon coccineus</i>
                                               <i>Penstemon coccineus var. filifolius</i>
                                             <i>Penstemon collinus</i>
                                             <i>Penstemon comarrhenus</i>
                                             <i>Penstemon compactus</i>
                                             <i>Penstemon concinnus</i>
                                             <i>Penstemon confertus</i>
                                                   [Penstemon confertus var. caeruleopurpureus]
                                                   [Penstemon depressus]
                                               <i>Penstemon confertus subsp. confertus</i>
                                               <i>Penstemon confertus subsp. procerus</i>
                                               <i>Penstemon confertus var. caeruleo-purpureus</i>
                                               <i>Penstemon confertus var. procerus</i>
                                             <i>Penstemon confusus</i>
                                               <i>Penstemon confusus subsp. patens</i>
                                               <i>Penstemon confusus var. confusus</i>
                                               <i>Penstemon confusus var. patens</i>
                                             <i>Penstemon connatifolius</i>
                                             <i>Penstemon coriaceus</i>
                                             <i>Penstemon corymbosus</i>
                                               <i>Penstemon corymbosus var. puberulentus</i>
                                             <i>Penstemon crandallii</i>
                                               <i>Penstemon crandallii subsp. atratus</i>
                                                     [Penstemon crandallii var. atractus]
                                               <i>Penstemon crandallii subsp. crandallii</i>
                                               <i>Penstemon crandallii subsp. glabrescens</i>
                                                     [Penstemon crandallii var. glabrescens]
                                               <i>Penstemon crandallii subsp. procumbens</i>
                                               <i>Penstemon crandallii subsp. taosensis</i>
                                               <i>Penstemon crandallii var. atratus</i>
                                               <i>Penstemon crandallii var. crandallii</i>
                                               <i>Penstemon crandallii var. procumbens</i>
                                               <i>Penstemon crandallii var. ramaleyi</i>
                                               <i>Penstemon crandallii var. taosensis</i>
                                             <i>Penstemon crassifolius</i>
                                             <i>Penstemon cristatus</i>
                                             <i>Penstemon cusickii</i>
                                                   [Penstemon macbridei]
                                             <i>Penstemon cyananthus</i>
                                               <i>Penstemon cyananthus cyananthus</i>
                                               <i>Penstemon cyananthus subsp. compactus</i>
                                               <i>Penstemon cyananthus subsp. cyananthus</i>
                                               <i>Penstemon cyananthus subsp. longiflorus</i>
                                               <i>Penstemon cyananthus subsp. subglaber</i>
                                               <i>Penstemon cyananthus var. brandegei</i>
                                               <i>Penstemon cyananthus var. compactus</i>
                                               <i>Penstemon cyananthus var. cyananthus</i>
                                               <i>Penstemon cyananthus var. judyae</i>
                                               <i>Penstemon cyananthus var. longiflorus</i>
                                               <i>Penstemon cyananthus var. subglaber</i>
                                                     [Penstemon fremontii var. subglaber]
                                             <i>Penstemon cyaneus</i>
                                             <i>Penstemon cyanocaulis</i>
                                             <i>Penstemon cyathophorus</i>
                                             <i>Penstemon dasyphyllus</i>
                                                   [Penstemon pringlei]
                                             <i>Penstemon davidsonii</i>
                                               <i>Penstemon davidsonii subsp. davidsonii</i>
                                               <i>Penstemon davidsonii subsp. menziesii</i>
                                               <i>Penstemon davidsonii var. davidsonii</i>
                                               <i>Penstemon davidsonii var. ellipticus</i>
                                               <i>Penstemon davidsonii var. menziesii</i>
                                                     [Penstemon douglasii]
                                               <i>Penstemon davidsonii var. praeteritus</i>
                                             <i>Penstemon deamii</i>
                                                   [Penstemon laevigatus subsp. deamii]
                                             <i>Penstemon deaveri</i>
                                                   [Penstemon virgatus subsp. arizonicus]
                                             <i>Penstemon debilis</i>
                                             <i>Penstemon decurvus</i>
                                             <i>Penstemon degeneri</i>
                                             <i>Penstemon deserticola</i>
                                             <i>Penstemon desertipicti</i>
                                             <i>Penstemon desertorum</i>
                                             <i>Penstemon deustus</i>
                                                   [Penstemon heterander]
                                               <i>Penstemon deustus subsp. deustus</i>
                                               <i>Penstemon deustus subsp. heterander</i>
                                               <i>Penstemon deustus subsp. sudans</i>
                                               <i>Penstemon deustus subsp. variabilis</i>
                                               <i>Penstemon deustus var. deustus</i>
                                               <i>Penstemon deustus var. heterander</i>
                                               <i>Penstemon deustus var. pedicellatus</i>
                                               <i>Penstemon deustus var. suffrutescens</i>
                                               <i>Penstemon deustus var. variabilis</i>
                                                     [Penstemon paniculatus]
                                             <i>Penstemon diffusus</i>
                                             <i>Penstemon digitalis</i>
                                               <i>Penstemon digitalis subsp. digitalis</i>
                                             <i>Penstemon dimorphus</i>
                                             <i>Penstemon diphyllus</i>
                                             <i>Penstemon discolor</i>
                                             <i>Penstemon dissectus</i>
                                             <i>Penstemon distans</i>
                                             <i>Penstemon dolius</i>
                                               <i>Penstemon dolius var. dolius</i>
                                               <i>Penstemon dolius var. duchesnensis</i>
                                             <i>Penstemon dubium</i>
                                             <i>Penstemon duchesnensis</i>
                                             <i>Penstemon eastwoodiae</i>
                                             <i>Penstemon eatonii</i>
                                               <i>Penstemon eatonii eatonii</i>
                                               <i>Penstemon eatonii subsp. eatonii</i>
                                                     [Penstemon eatonii var. eatonii]
                                               <i>Penstemon eatonii subsp. exsertus</i>
                                               <i>Penstemon eatonii subsp. undosus</i>
                                                     [Penstemon eatonii var. undosus]
                                               <i>Penstemon eatonii var. exsertus</i>
                                             <i>Penstemon elegantulus</i>
                                             <i>Penstemon ellipticus</i>
                                             <i>Penstemon eriantherus</i>
                                                   [Penstemon eriantherus var. grandis]
                                               <i>Penstemon eriantherus subsp. eriantherus</i>
                                               <i>Penstemon eriantherus subsp. saliens</i>
                                                     [Penstemon saliens]
                                               <i>Penstemon eriantherus var. argillosus</i>
                                                     [Penstemon dayanus]
                                               <i>Penstemon eriantherus var. cleburnei</i>
                                               <i>Penstemon eriantherus var. eriantherus</i>
                                               <i>Penstemon eriantherus var. redactus</i>
                                               <i>Penstemon eriantherus var. whitedii</i>
                                             <i>Penstemon euglaucus</i>
                                             <i>Penstemon eximius</i>
                                             <i>Penstemon exsertus</i>
                                             <i>Penstemon fasciculatus</i>
                                             <i>Penstemon fendleri</i>
                                             <i>Penstemon filiformis</i>
                                             <i>Penstemon flavescens</i>
                                             <i>Penstemon floribundus</i>
                                             <i>Penstemon floridus</i>
                                               <i>Penstemon floridus subsp. austinii</i>
                                               <i>Penstemon floridus subsp. floridus</i>
                                               <i>Penstemon floridus var. austinii</i>
                                               <i>Penstemon floridus var. floridus</i>
                                             <i>Penstemon flowersii</i>
                                             <i>Penstemon francisci-pennellii</i>
                                             <i>Penstemon franklinii</i>
                                             <i>Penstemon fremontii</i>
                                               <i>Penstemon fremontii fremontii</i>
                                               <i>Penstemon fremontii var. fremontii</i>
                                               <i>Penstemon fremontii var. glabrescens</i>
                                             <i>Penstemon fruticiformis</i>
                                               <i>Penstemon fruticiformis fruticiformis</i>
                                               <i>Penstemon fruticiformis subsp. amargosae</i>
                                                     [Penstemon fruticiformis var. amargosae]
                                               <i>Penstemon fruticiformis subsp. fruticiformis</i>
                                               <i>Penstemon fruticiformis var. fruticiformis</i>
                                             <i>Penstemon fruticosus</i>
                                                   [Penstemon peduncularis]
                                               <i>Penstemon fruticosus subsp. fruticosus</i>
                                               <i>Penstemon fruticosus subsp. scouleri</i>
                                               <i>Penstemon fruticosus subsp. serratus</i>
                                               <i>Penstemon fruticosus var. albus</i>
                                               <i>Penstemon fruticosus var. fruticosus</i>
                                               <i>Penstemon fruticosus var. scouleri</i>
                                               <i>Penstemon fruticosus var. serratus</i>
                                             <i>Penstemon gairdneri</i>
                                                   [Penstemon hians]
                                               <i>Penstemon gairdneri subsp. gairdneri</i>
                                               <i>Penstemon gairdneri subsp. hians</i>
                                               <i>Penstemon gairdneri var. gairdneri</i>
                                               <i>Penstemon gairdneri var. hians</i>
                                               <i>Penstemon gairdneri var. oreganus</i>
                                                     [Penstemon gairdneri subsp. oreganus]
                                                     [Penstemon puberulentus]
                                             <i>Penstemon galloensis</i>
                                             <i>Penstemon garrettii</i>
                                             <i>Penstemon gentianoides</i>
                                                   [Chelone gentianoides]
                                                   [Penstemon skutchii]
                                             <i>Penstemon gentryi</i>
                                             <i>Penstemon gibbensii</i>
                                             <i>Penstemon glaber</i>
                                               <i>Penstemon glaber glaber</i>
                                               <i>Penstemon glaber var. alpinus</i>
                                                     [Penstemon alpinus var. alpinus]
                                               <i>Penstemon glaber var. brandegeei</i>
                                               <i>Penstemon glaber var. brandegei</i>
                                               <i>Penstemon glaber var. cyananthus</i>
                                               <i>Penstemon glaber var. glaber</i>
                                                     [Penstemon alpinus var. nagnus]
                                               <i>Penstemon glaber var. speciosus</i>
                                               <i>Penstemon glaber var. utahensis</i>
                                             <i>Penstemon glabrescens</i>
                                             <i>Penstemon glandulosus</i>
                                               <i>Penstemon glandulosus subsp. chelanensis</i>
                                               <i>Penstemon glandulosus var. chelanensis</i>
                                               <i>Penstemon glandulosus var. glandulosus</i>
                                             <i>Penstemon glaucinus</i>
                                             <i>Penstemon glaucus</i>
                                               <i>Penstemon glaucus var. stenosepalus</i>
                                             <i>Penstemon globosus</i>
                                                   [Penstemon confertus var. globosus]
                                             <i>Penstemon goodrichii</i>
                                             <i>Penstemon gormanii</i>
                                             <i>Penstemon gracilentus</i>
                                               <i>Penstemon gracilentus var. ursorum</i>
                                             <i>Penstemon gracilis</i>
                                                   [Penstemon gracilis f. scoggannii]
                                               <i>Penstemon gracilis subsp. gracilis</i>
                                               <i>Penstemon gracilis subsp. wisconsinensis</i>
                                               <i>Penstemon gracilis var. gracilis</i>
                                               <i>Penstemon gracilis var. wisconsinensis</i>
                                             <i>Penstemon grahamii</i>
                                             <i>Penstemon grandiflorus</i>
                                                   [Penstemon bradburii]
                                             <i>Penstemon griffinii</i>
                                             <i>Penstemon grinnellii</i>
                                               <i>Penstemon grinnellii subsp. grinnellii</i>
                                               <i>Penstemon grinnellii subsp. scrophularioides</i>
                                               <i>Penstemon grinnellii var. grinnellii</i>
                                               <i>Penstemon grinnellii var. scrophularioides</i>
                                                     [Penstemon scrophularioides]
                                             <i>Penstemon guadalupensis</i>
                                                   [Penstemon guadalupensis subsp. ernestii]
                                                   [Penstemon guadalupensis var. ernstii]
                                             <i>Penstemon hallii</i>
                                               <i>Penstemon hallii var. arizonicus</i>
                                             <i>Penstemon hansonii</i>
                                             <i>Penstemon harbourii</i>
                                             <i>Penstemon harringtonii</i>
                                                   [Penstemon harringtoni]
                                             <i>Penstemon hartwegii</i>
                                             <i>Penstemon havardii</i>
                                                   [Penstemon harvardii]
                                             <i>Penstemon haydenii</i>
                                             <i>Penstemon helleri</i>
                                             <i>Penstemon henricksonii</i>
                                             <i>Penstemon hesperius</i>
                                             <i>Penstemon heterodoxus</i>
                                               <i>Penstemon heterodoxus subsp. cephalophorus</i>
                                               <i>Penstemon heterodoxus subsp. heterodoxus</i>
                                               <i>Penstemon heterodoxus var. cephalophorus</i>
                                               <i>Penstemon heterodoxus var. heterodoxus</i>
                                               <i>Penstemon heterodoxus var. shastensis</i>
                                             <i>Penstemon heterophyllus</i>
                                               <i>Penstemon heterophyllus heterophyllus</i>
                                               <i>Penstemon heterophyllus subsp. australis</i>
                                               <i>Penstemon heterophyllus subsp. heterophyllus</i>
                                               <i>Penstemon heterophyllus subsp. purdyi</i>
                                               <i>Penstemon heterophyllus var. australis</i>
                                               <i>Penstemon heterophyllus var. heterophyllus</i>
                                               <i>Penstemon heterophyllus var. latifolius</i>
                                               <i>Penstemon heterophyllus var. purdyi</i>
                                             <i>Penstemon hidalgensis</i>
                                             <i>Penstemon higginsii</i>
                                                   [Penstemon leonardii var. higginsii]
                                             <i>Penstemon hintonii</i>
                                             <i>Penstemon hirsutus</i>
                                                   [Chelone hirsuta]
                                                   [Chelone pentstemon]
                                                   [Penstemon hirsutus f. albiflorus]
                                                   [Penstemon longifolius]
                                                   [Penstemon mackayanus]
                                               <i>Penstemon hirsutus subsp. hirsutus</i>
                                               <i>Penstemon hirsutus var. hirsutus</i>
                                               <i>Penstemon hirsutus var. minimus</i>
                                               <i>Penstemon hirsutus var. pygmaeus</i>
                                             <i>Penstemon holmgrenii</i>
                                             <i>Penstemon humilis</i>
                                               <i>Penstemon humilis subsp. brevifolius</i>
                                                     [Penstemon brevifolius]
                                               <i>Penstemon humilis subsp. humilis</i>
                                               <i>Penstemon humilis subsp. obtusifolius</i>
                                               <i>Penstemon humilis var. brevifolius</i>
                                               <i>Penstemon humilis var. desereticus</i>
                                               <i>Penstemon humilis var. deserticus</i>
                                               <i>Penstemon humilis var. foliatus</i>
                                               <i>Penstemon humilis var. humilis</i>
                                               <i>Penstemon humilis var. obtusifolius</i>
                                             <i>Penstemon idahoensis</i>
                                             <i>Penstemon imberbis</i>
                                                   [Chelone imberbis]
                                             <i>Penstemon immanifestus</i>
                                             <i>Penstemon incanus</i>
                                             <i>Penstemon incertus</i>
                                                   [Penstemon fruticiformis var. incertus]
                                             <i>Penstemon inflatus</i>
                                             <i>Penstemon intonsus</i>
                                             <i>Penstemon isophyllus</i>
                                             <i>Penstemon jaffrayanus</i>
                                             <i>Penstemon jamesii</i>
                                                   [Penstemon brevibarbatus]
                                                   [Penstemon jamesii subsp. typicus]
                                                   [Penstemon jamesii var. jamesii]
                                               <i>Penstemon jamesii subsp. jamesii</i>
                                             <i>Penstemon janishiae</i>
                                             <i>Penstemon jonesii</i>
                                             <i>Penstemon kingii</i>
                                             <i>Penstemon kralii</i>
                                             <i>Penstemon kunthii</i>
                                             <i>Penstemon labrosus</i>
                                                   [Penstemon barbatus var. labrosus]
                                             <i>Penstemon lacerellus</i>
                                             <i>Penstemon laetus</i>
                                               <i>Penstemon laetus laetus</i>
                                               <i>Penstemon laetus subsp. filiformis</i>
                                               <i>Penstemon laetus subsp. laetus</i>
                                               <i>Penstemon laetus subsp. leptosepalus</i>
                                               <i>Penstemon laetus subsp. sagittatus</i>
                                               <i>Penstemon laetus subsp. typicus</i>
                                               <i>Penstemon laetus var. laetus</i>
                                               <i>Penstemon laetus var. leptosepalus</i>
                                               <i>Penstemon laetus var. sagittatus</i>
                                             <i>Penstemon laevigatus</i>
                                                   [Penstemon penstemon]
                                               <i>Penstemon laevigatus subsp. alluviorum</i>
                                               <i>Penstemon laevigatus subsp. calycosus</i>
                                               <i>Penstemon laevigatus subsp. digitalis</i>
                                               <i>Penstemon laevigatus subsp. laevigatus</i>
                                               <i>Penstemon laevigatus var. angulatus</i>
                                               <i>Penstemon laevigatus var. deamii</i>
                                               <i>Penstemon laevigatus var. digitalis</i>
                                             <i>Penstemon laevis</i>
                                             <i>Penstemon laricifolius</i>
                                               <i>Penstemon laricifolius subsp. exilifolius</i>
                                                     [Penstemon exilifolius]
                                               <i>Penstemon laricifolius subsp. laricifolius</i>
                                               <i>Penstemon laricifolius var. exilifolius</i>
                                                     [Penstemon exilifolius var. desertus]
                                               <i>Penstemon laricifolius var. laricifolius</i>
                                             <i>Penstemon lassenianus</i>
                                             <i>Penstemon latiusculus</i>
                                             <i>Penstemon laxiflorus</i>
                                             <i>Penstemon laxus</i>
                                             <i>Penstemon leiophyllus</i>
                                               <i>Penstemon leiophyllus var. francisci-pennellii</i>
                                               <i>Penstemon leiophyllus var. keckii</i>
                                                     [Penstemon keckii]
                                               <i>Penstemon leiophyllus var. leiophyllus</i>
                                             <i>Penstemon lemhiensis</i>
                                             <i>Penstemon lemmonii</i>
                                             <i>Penstemon lentus</i>
                                               <i>Penstemon lentus lentus</i>
                                               <i>Penstemon lentus subsp. albiflorus</i>
                                               <i>Penstemon lentus var. albiflorus</i>
                                               <i>Penstemon lentus var. lentus</i>
                                                     [Penstemon lentus subsp. lentus]
                                             <i>Penstemon leonardii</i>
                                               <i>Penstemon leonardii var. leonardii</i>
                                               <i>Penstemon leonardii var. patricus</i>
                                                     [Penstemon patricus]
                                             <i>Penstemon leonensis</i>
                                             <i>Penstemon leptanthus</i>
                                             <i>Penstemon leucanthus</i>
                                             <i>Penstemon linarioides</i>
                                               <i>Penstemon linarioides subsp. coloradoensis</i>
                                                     [Penstemon coloradoensis]
                                               <i>Penstemon linarioides subsp. compactifolius</i>
                                                     [Penstemon linarioides var. compactifolius]
                                               <i>Penstemon linarioides subsp. linarioides</i>
                                                     [Penstemon linarioides subsp. typicus]
                                               <i>Penstemon linarioides subsp. maguirei</i>
                                               <i>Penstemon linarioides subsp. sileri</i>
                                                     [Penstemon linarioides var. sileri]
                                                     [Penstemon linarioides var. viridis]
                                               <i>Penstemon linarioides subsp. taosensis</i>
                                               <i>Penstemon linarioides var. coloradoensis</i>
                                               <i>Penstemon linarioides var. linarioides</i>
                                               <i>Penstemon linarioides var. maguirei</i>
                                             <i>Penstemon lineolatus</i>
                                             <i>Penstemon longiflorus</i>
                                             <i>Penstemon luculentus</i>
                                             <i>Penstemon lyalli</i>
                                                   [Penstemon linearifolius]
                                                   [Penstemon menziesii var. lyallii]
                                             <i>Penstemon lyallii</i>
                                             <i>Penstemon macranthus</i>
                                             <i>Penstemon magnus</i>
                                             <i>Penstemon maguirei</i>
                                             <i>Penstemon marcusii</i>
                                             <i>Penstemon mensarum</i>
                                             <i>Penstemon menziesii</i>
                                               <i>Penstemon menziesii subsp. davidsonii</i>
                                               <i>Penstemon menziesii subsp. thompsonii</i>
                                               <i>Penstemon menziesii var. davidsonii</i>
                                             <i>Penstemon metcalfei</i>
                                             <i>Penstemon micranthus</i>
                                             <i>Penstemon militaris</i>
                                             <i>Penstemon miniatus</i>
                                               <i>Penstemon miniatus subsp. apateticus</i>
                                               <i>Penstemon miniatus subsp. townsendianus</i>
                                               <i>Penstemon miniatus var. apateticus</i>
                                               <i>Penstemon miniatus var. miniatus</i>
                                               <i>Penstemon miniatus var. townsendianus</i>
                                             <i>Penstemon minidokanus</i>
                                             <i>Penstemon minutifolius</i>
                                             <i>Penstemon mirus</i>
                                             <i>Penstemon miser</i>
                                             <i>Penstemon modestus</i>
                                             <i>Penstemon moffatii</i>
                                               <i>Penstemon moffatii subsp. marcusii</i>
                                               <i>Penstemon moffatii subsp. moffatii</i>
                                               <i>Penstemon moffatii subsp. paysonii</i>
                                                     [Penstemon paysonii]
                                             <i>Penstemon moffattii</i>
                                             <i>Penstemon mohinoranus</i>
                                             <i>Penstemon monoensis</i>
                                                   [Penstemon divergens]
                                             <i>Penstemon montanus</i>
                                               <i>Penstemon montanus subsp. idahoensis</i>
                                               <i>Penstemon montanus subsp. montanus</i>
                                               <i>Penstemon montanus var. idahoensis</i>
                                               <i>Penstemon montanus var. montanus</i>
                                             <i>Penstemon moriahensis</i>
                                             <i>Penstemon moronensis</i>
                                             <i>Penstemon multicaulis</i>
                                             <i>Penstemon multiflorus</i>
                                                   [Penstemon pubescens var. multiflorus]
                                             <i>Penstemon murrayanus</i>
                                             <i>Penstemon nanus</i>
                                             <i>Penstemon navajoa</i>
                                             <i>Penstemon nemorosus</i>
                                             <i>Penstemon neomexicanus</i>
                                             <i>Penstemon neotericus</i>
                                             <i>Penstemon newberryi</i>
                                               <i>Penstemon newberryi newberryi</i>
                                               <i>Penstemon newberryi subsp. berryi</i>
                                                     [Penstemon berryi]
                                               <i>Penstemon newberryi subsp. newberryi</i>
                                               <i>Penstemon newberryi subsp. sonomensis</i>
                                               <i>Penstemon newberryi var. berryi</i>
                                               <i>Penstemon newberryi var. newberryi</i>
                                               <i>Penstemon newberryi var. sonomensis</i>
                                             <i>Penstemon nitidus</i>
                                               <i>Penstemon nitidus nitidus</i>
                                               <i>Penstemon nitidus subsp. polyphyllus</i>
                                               <i>Penstemon nitidus var. nitidus</i>
                                               <i>Penstemon nitidus var. polyphyllus</i>
                                             <i>Penstemon nudiflorus</i>
                                             <i>Penstemon nyeensis</i>
                                             <i>Penstemon obtusifolius</i>
                                             <i>Penstemon occiduus</i>
                                             <i>Penstemon oklahomensis</i>
                                             <i>Penstemon oliganthus</i>
                                             <i>Penstemon ophianthus</i>
                                                   [Penstemon jamesii subsp. ophianthus]
                                             <i>Penstemon oreocharis</i>
                                             <i>Penstemon oreophilus</i>
                                             <i>Penstemon osterhoutii</i>
                                             <i>Penstemon ovatus</i>
                                                   [Penstemon leptophyllus]
                                               <i>Penstemon ovatus var. pinetorum</i>
                                             <i>Penstemon pachyphyllus</i>
                                                   [Penstemon nitidus var. major]
                                               <i>Penstemon pachyphyllus pachyphyllus</i>
                                               <i>Penstemon pachyphyllus var. congestus</i>
                                                     [Penstemon congestus]
                                                     [Penstemon pachyphyllus subsp. congestus]
                                               <i>Penstemon pachyphyllus var. mucronatus</i>
                                                     [Penstemon mucronatus]
                                               <i>Penstemon pachyphyllus var. pachyphyllus</i>
                                             <i>Penstemon pahutensis</i>
                                             <i>Penstemon pallidus</i>
                                               <i>Penstemon pallidus subsp. arkansanus</i>
                                             <i>Penstemon palmeri</i>
                                               <i>Penstemon palmeri palmeri</i>
                                               <i>Penstemon palmeri subsp. palmeri</i>
                                               <i>Penstemon palmeri var. eglandulosus</i>
                                                     [Penstemon palmeri subsp. eglandulosus]
                                               <i>Penstemon palmeri var. macranthus</i>
                                               <i>Penstemon palmeri var. palmeri</i>
                                                     [Penstemon palmeri subsp. typicus]
                                             <i>Penstemon pandus</i>
                                                   [Penstemon perpulcher var. pandus]
                                             <i>Penstemon papillatus</i>
                                             <i>Penstemon parishii</i>
                                             <i>Penstemon parryi</i>
                                                   [Penstemon puniceus var. parryi]
                                             <i>Penstemon parviflorus</i>
                                             <i>Penstemon parvulus</i>
                                             <i>Penstemon parvus</i>
                                             <i>Penstemon patens</i>
                                             <i>Penstemon payettensis</i>
                                             <i>Penstemon paysoniorum</i>
                                             <i>Penstemon peckii</i>
                                             <i>Penstemon penlandii</i>
                                             <i>Penstemon pennellianus</i>
                                             <i>Penstemon perfoliatus</i>
                                             <i>Penstemon perpulcher</i>
                                             <i>Penstemon personatus</i>
                                             <i>Penstemon petiolatus</i>
                                             <i>Penstemon piliferus</i>
                                             <i>Penstemon pinifolius</i>
                                             <i>Penstemon pinorum</i>
                                             <i>Penstemon plagapineus</i>
                                             <i>Penstemon platyphyllus</i>
                                             <i>Penstemon potosinus</i>
                                             <i>Penstemon pratensis</i>
                                             <i>Penstemon procerus</i>
                                               <i>Penstemon procerus procerus</i>
                                               <i>Penstemon procerus subsp. aberrans</i>
                                                     [Penstemon confertus var. aberrans]
                                               <i>Penstemon procerus subsp. brachyanthus</i>
                                               <i>Penstemon procerus subsp. formosus</i>
                                               <i>Penstemon procerus subsp. modestus</i>
                                               <i>Penstemon procerus subsp. procerus</i>
                                               <i>Penstemon procerus subsp. tolmiei</i>
                                               <i>Penstemon procerus var. aberrans</i>
                                               <i>Penstemon procerus var. brachyanthus</i>
                                                     [Penstemon brachyanthus]
                                               <i>Penstemon procerus var. formosus</i>
                                               <i>Penstemon procerus var. modestus</i>
                                                     [Penstemon tolmiei subsp. modestus]
                                               <i>Penstemon procerus var. procerus</i>
                                               <i>Penstemon procerus var. tolmiei</i>
                                             <i>Penstemon procumbens</i>
                                             <i>Penstemon productus</i>
                                               <i>Penstemon productus var. rigidus</i>
                                             <i>Penstemon pruinosus</i>
                                             <i>Penstemon pseudohumilis</i>
                                             <i>Penstemon pseudoparvus</i>
                                             <i>Penstemon pseudoputus</i>
                                                   [Penstemon virgatus subsp. pseudoputus]
                                             <i>Penstemon pseudospectabilis</i>
                                               <i>Penstemon pseudospectabilis subsp. bicolor</i>
                                               <i>Penstemon pseudospectabilis subsp. clutei</i>
                                               <i>Penstemon pseudospectabilis subsp. pseudospectabilis</i>
                                                     [Penstemon pseudospectabilis subsp. typicus]
                                               <i>Penstemon pseudospectabilis var. connatifolius</i>
                                                     [Penstemon pseudospectabilis subsp. connatifolius]
                                               <i>Penstemon pseudospectabilis var. pseudospectabilis</i>
                                             <i>Penstemon puberulus</i>
                                             <i>Penstemon pubescens</i>
                                             <i>Penstemon pudicus</i>
                                             <i>Penstemon pumilus</i>
                                                   [Penstemon pumilus var. incanus]
                                             <i>Penstemon punctatus</i>
                                             <i>Penstemon puniceus</i>
                                             <i>Penstemon purpusii</i>
                                             <i>Penstemon putus</i>
                                                   [Penstemon virgatus subsp. putus]
                                             <i>Penstemon radicosus</i>
                                             <i>Penstemon ramaleyi</i>
                                             <i>Penstemon ramosus</i>
                                                   [Penstemon lanceolatus]
                                                   [Penstemon pauciflorus]
                                             <i>Penstemon rattanii</i>
                                               <i>Penstemon rattanii rattanii</i>
                                               <i>Penstemon rattanii subsp. kleei</i>
                                                     [Penstemon kleei]
                                               <i>Penstemon rattanii subsp. rattanii</i>
                                               <i>Penstemon rattanii var. kleei</i>
                                               <i>Penstemon rattanii var. minor</i>
                                               <i>Penstemon rattanii var. rattanii</i>
                                             <i>Penstemon recurvatus</i>
                                             <i>Penstemon reidmoranii</i>
                                             <i>Penstemon retrorsus</i>
                                                   [Penstemon retrosus]
                                             <i>Penstemon rhizomatosus</i>
                                             <i>Penstemon richardsonii</i>
                                                   [Penstemon pickettii]
                                               <i>Penstemon richardsonii subsp. curtiflorus</i>
                                               <i>Penstemon richardsonii subsp. richardsonii</i>
                                               <i>Penstemon richardsonii var. curtiflorus</i>
                                                     [Penstemon curtiflorus]
                                               <i>Penstemon richardsonii var. dentatus</i>
                                                     [Penstemon richardsonii subsp. dentatus]
                                               <i>Penstemon richardsonii var. richardsonii</i>
                                             <i>Penstemon riparius</i>
                                             <i>Penstemon roezli</i>
                                             <i>Penstemon roezlii</i>
                                                   [Penstemon cinerascens]
                                                   [Penstemon laetus subsp. roezlii]
                                                   [Penstemon laetus var. roezlii]
                                               <i>Penstemon roezlii var. violaceus</i>
                                             <i>Penstemon roseus</i>
                                             <i>Penstemon rostriflorus</i>
                                                   [Penstemon bridgesii var. amplexicaulis]
                                                   [Penstemon bridgesii]
                                             <i>Penstemon rothrockii</i>
                                               <i>Penstemon rothrockii subsp. jacintensis</i>
                                             <i>Penstemon rotundifolius</i>
                                             <i>Penstemon rubescens</i>
                                             <i>Penstemon rubicundus</i>
                                             <i>Penstemon rupicola</i>
                                                   [Penstemon newberryi var. rupicola]
                                             <i>Penstemon rydbergii</i>
                                               <i>Penstemon rydbergii rydbergii</i>
                                               <i>Penstemon rydbergii var. aggregatus</i>
                                                     [Penstemon aggregatus]
                                                     [Penstemon rydbergii subsp. aggregatus]
                                               <i>Penstemon rydbergii var. oreocharis</i>
                                               <i>Penstemon rydbergii var. rydbergii</i>
                                               <i>Penstemon rydbergii var. varians</i>
                                                     [Penstemon attenuatus var. varians]
                                             <i>Penstemon salmonensis</i>
                                             <i>Penstemon saltarius</i>
                                             <i>Penstemon saxosorum</i>
                                             <i>Penstemon scabridus</i>
                                             <i>Penstemon scapoides</i>
                                             <i>Penstemon scariosus</i>
                                               <i>Penstemon scariosus var. albifluvis</i>
                                               <i>Penstemon scariosus var. cyanomontanus</i>
                                               <i>Penstemon scariosus var. garrettii</i>
                                               <i>Penstemon scariosus var. scariosus</i>
                                             <i>Penstemon schaffneri</i>
                                                   [Penstemon baccharifolius var. schaffneri]
                                             <i>Penstemon scoparius</i>
                                             <i>Penstemon scouleri</i>
                                             <i>Penstemon secundiflorus</i>
                                               <i>Penstemon secundiflorus subsp. lavendulus</i>
                                               <i>Penstemon secundiflorus subsp. secundiflorus</i>
                                               <i>Penstemon secundiflorus var. secundiflorus</i>
                                               <i>Penstemon secundiflorus var. versicolor</i>
                                             <i>Penstemon seorsus</i>
                                                   [Penstemon linarioides var. seorsus]
                                             <i>Penstemon sepalulus</i>
                                             <i>Penstemon serrulatus</i>
                                             <i>Penstemon shantzii</i>
                                               <i>Penstemon shantzii var. incognitus</i>
                                             <i>Penstemon shastensis</i>
                                             <i>Penstemon shockleyi</i>
                                             <i>Penstemon similis</i>
                                             <i>Penstemon smallii</i>
                                             <i>Penstemon sonomensis</i>
                                             <i>Penstemon spatulatus</i>
                                             <i>Penstemon speciosus</i>
                                                   [Penstemon pilifer]
                                                   [Penstemon rex]
                                               <i>Penstemon speciosus subsp. kennedyi</i>
                                                     [Penstemon kennedyi]
                                               <i>Penstemon speciosus subsp. lemhiensis</i>
                                               <i>Penstemon speciosus subsp. speciosus</i>
                                               <i>Penstemon speciosus subsp. typicus</i>
                                               <i>Penstemon speciosus var. piliferus</i>
                                               <i>Penstemon speciosus var. speciosus</i>
                                             <i>Penstemon spectabilis</i>
                                               <i>Penstemon spectabilis subsp. spectabilis</i>
                                               <i>Penstemon spectabilis subsp. subinteger</i>
                                               <i>Penstemon spectabilis subsp. subviscosus</i>
                                               <i>Penstemon spectabilis var. gilmanii</i>
                                               <i>Penstemon spectabilis var. spectabilis</i>
                                               <i>Penstemon spectabilis var. subinteger</i>
                                               <i>Penstemon spectabilis var. subviscosus</i>
                                             <i>Penstemon spinulosus</i>
                                             <i>Penstemon stenophyllus</i>
                                               <i>Penstemon stenophyllus var. dasyphyllus</i>
                                             <i>Penstemon stenosepalus</i>
                                             <i>Penstemon stephensii</i>
                                             <i>Penstemon strictiformis</i>
                                                   [Penstemon strictus subsp. strictiformis]
                                             <i>Penstemon strictus</i>
                                                   [Penstemon strictus subsp. angustus]
                                                   [Penstemon strictus var. strictus]
                                               <i>Penstemon strictus strictus</i>
                                               <i>Penstemon strictus subsp. strictus</i>
                                             <i>Penstemon subglaber</i>
                                             <i>Penstemon subserratus</i>
                                             <i>Penstemon subulatus</i>
                                             <i>Penstemon sudans</i>
                                             <i>Penstemon suffrutescens</i>
                                             <i>Penstemon superbus</i>
                                             <i>Penstemon tenuiflorus</i>
                                             <i>Penstemon tenuifolius</i>
                                             <i>Penstemon tenuis</i>
                                             <i>Penstemon tepicensis</i>
                                             <i>Penstemon ternatus</i>
                                               <i>Penstemon ternatus subsp. septentrionalis</i>
                                               <i>Penstemon ternatus subsp. ternatus</i>
                                             <i>Penstemon teucrioides</i>
                                             <i>Penstemon thompsoniae</i>
                                               <i>Penstemon thompsoniae subsp. thompsoniae</i>
                                                     [Penstemon thompsoniae var. desperatus]
                                               <i>Penstemon thompsoniae subsp. typicus</i>
                                               <i>Penstemon thompsoniae thompsoniae</i>
                                               <i>Penstemon thompsoniae var. jaegeri</i>
                                                     [Penstemon thompsoniae subsp. jaegeri]
                                               <i>Penstemon thompsoniae var. thompsoniae</i>
                                             <i>Penstemon thurberi</i>
                                                   [Leiostemon thurberi]
                                                   [Penstemon thurberi var. anestius]
                                               <i>Penstemon thurberi var. thurberi</i>
                                             <i>Penstemon tidestromii</i>
                                             <i>Penstemon tiehmii</i>
                                             <i>Penstemon tinctus</i>
                                             <i>Penstemon tolmiei</i>
                                               <i>Penstemon tolmiei subsp. brachyanthus</i>
                                               <i>Penstemon tolmiei subsp. formosus</i>
                                               <i>Penstemon tolmiei subsp. tolmiei</i>
                                             <i>Penstemon tracyi</i>
                                             <i>Penstemon triflorus</i>
                                               <i>Penstemon triflorus subsp. integrifolius</i>
                                               <i>Penstemon triflorus subsp. triflorus</i>
                                               <i>Penstemon triflorus var. integrifolius</i>
                                               <i>Penstemon triflorus var. triflorus</i>
                                             <i>Penstemon triphyllus</i>
                                               <i>Penstemon triphyllus subsp. diphyllus</i>
                                               <i>Penstemon triphyllus subsp. triphyllus</i>
                                               <i>Penstemon triphyllus var. infernalis</i>
                                               <i>Penstemon triphyllus var. triphyllus</i>
                                             <i>Penstemon tubaeflorus</i>
                                                   [Penstemon tubaeflorus var. tubaeflorus]
                                               <i>Penstemon tubaeflorus var. achoreus</i>
                                             <i>Penstemon tubiflorus</i>
                                               <i>Penstemon tubiflorus var. achoreus</i>
                                               <i>Penstemon tubiflorus var. tubiflorus</i>
                                             <i>Penstemon tusharensis</i>
                                             <i>Penstemon uintahensis</i>
                                             <i>Penstemon unilateralis</i>
                                                   [Penstemon virgatus subsp. asa-grayi]
                                                   [Penstemon virgatus var. asa-grayi]
                                             <i>Penstemon utahensis</i>
                                             <i>Penstemon variabilis</i>
                                             <i>Penstemon vaseyanus</i>
                                             <i>Penstemon venustus</i>
                                             <i>Penstemon versicolor</i>
                                             <i>Penstemon violaceus</i>
                                             <i>Penstemon virens</i>
                                             <i>Penstemon virgatus</i>
                                               <i>Penstemon virgatus subsp. virgatus</i>
                                               <i>Penstemon virgatus var. virgatus</i>
                                               <i>Penstemon virgatus virgatus</i>
                                             <i>Penstemon vizcainensis</i>
                                             <i>Penstemon vulcanellus</i>
                                             <i>Penstemon wardii</i>
                                             <i>Penstemon washingtonensis</i>
                                             <i>Penstemon washoensis</i>
                                             <i>Penstemon watsonii</i>
                                               <i>Penstemon watsonii subsp. laxus</i>
                                               <i>Penstemon watsonii subsp. watsonii</i>
                                             <i>Penstemon wherryi</i>
                                             <i>Penstemon whippleanus</i>
                                             <i>Penstemon whitedii</i>
                                               <i>Penstemon whitedii subsp. dayanus</i>
                                               <i>Penstemon whitedii subsp. tristis</i>
                                               <i>Penstemon whitedii subsp. whitedii</i>
                                             <i>Penstemon wilcoxii</i>
                                                   [Penstemon pinetorum]
                                             <i>Penstemon wisconsinensis</i>
                                             <i>Penstemon wislizeni</i>
                                             <i>Penstemon wislizenii</i>
                                                   [Penstemon barbatus var. wislizeni]
                                             <i>Penstemon wrightii</i>
                                             <i>Penstemon x bryantiae</i>
                                             <i>Penstemon x dubius</i>
                                             <i>Penstemon x jonesii</i>
                                                   [Penstemon jonesi]
                                             <i>Penstemon x parishii</i>
                                             <i>Penstemon x peirsonii</i>
                                             <i>Penstemon xylus</i>
                                             <i>Penstemon yampaensis</i>
                                     <i>Pentstemonopsis</i>
                                             <i>Pentstemonopsis tweedyi</i>
                                                   [Penstemon tweedyi]
                                     <i>Picrorhiza</i>
                                           [Neopicrorhiza]
                                             <i>Picrorhiza kurrooa</i>
                                             <i>Picrorhiza scrophulariiflora</i>
                                                   [Neopicrorhiza scrophulariiflora]
                                     <i>Plantago</i>
                                             <i>Plantago afra</i>
                                                   [Plantago afra var. parviflora]
                                                   [Plantago cynops]
                                                   [Plantago divaricata]
                                                   [Plantago parviflora]
                                                   [Plantago psyllium var. parviflora]
                                                   [Plantago rugosa]
                                             <i>Plantago africana</i>
                                             <i>Plantago akkensis</i>
                                               <i>Plantago akkensis subsp. akkensis</i>
                                               <i>Plantago akkensis subsp. ounifensis</i>
                                             <i>Plantago albicans</i>
                                               <i>Plantago albicans subsp. albicans</i>
                                             <i>Plantago alismatifolia</i>
                                             <i>Plantago alpina</i>
                                             <i>Plantago amplexicaulis</i>
                                               <i>Plantago amplexicaulis subsp. amplexicaulis</i>
                                               <i>Plantago amplexicaulis subsp. bauphula</i>
                                             <i>Plantago annua</i>
                                             <i>Plantago arachnoidea</i>
                                             <i>Plantago arborescens</i>
                                               <i>Plantago arborescens subsp. arborescens</i>
                                               <i>Plantago arborescens subsp. maderensis</i>
                                             <i>Plantago arenaria</i>
                                                   [Plantago indica]
                                                   [Plantago psyllium]
                                                   [Plantago scabra]
                                               <i>Plantago arenaria subsp. arenaria</i>
                                                     [Psyllium arenarium]
                                             <i>Plantago argentea</i>
                                             <i>Plantago argyraea</i>
                                                   [Plantago purshii var. argyraea]
                                             <i>Plantago argyrea</i>
                                                   [Plantago purshii var. argyrea]
                                             <i>Plantago aristata</i>
                                                   [Plantago aristata var. nuttallii]
                                                   [Plantago curta]
                                                   [Plantago mollis]
                                                   [Plantago patagonica var. aristata]
                                             <i>Plantago asphodeloides</i>
                                             <i>Plantago atlantica</i>
                                             <i>Plantago atrata</i>
                                               <i>Plantago atrata subsp. spadicea</i>
                                                     [Plantago saxatilis]
                                             <i>Plantago australis</i>
                                                   [Plantago galeottiana]
                                                   [Plantago veratrifolia]
                                               <i>Plantago australis subsp. australis</i>
                                                     [Plantago goudotiana]
                                                     [Plantago macrostachys]
                                               <i>Plantago australis subsp. hirtella</i>
                                                     [Plantago hirtella subsp. galeottiana]
                                                     [Plantago hirtella var. annua]
                                                     [Plantago hirtella var. galeottiana]
                                                     [Plantago hirtella var. mollior]
                                                     [Plantago hirtella]
                                               <i>Plantago australis subsp. leioloma</i>
                                               <i>Plantago australis subsp. pflanzii</i>
                                             <i>Plantago barbata</i>
                                             <i>Plantago bellardi</i>
                                             <i>Plantago bellardii</i>
                                             <i>Plantago benisnassenii</i>
                                             <i>Plantago bigelovii</i>
                                               <i>Plantago bigelovii subsp. bigelovii</i>
                                               <i>Plantago bigelovii subsp. californica</i>
                                                     [Plantago californica]
                                             <i>Plantago boissieri</i>
                                             <i>Plantago brachyphylla</i>
                                             <i>Plantago brasiliensis</i>
                                               <i>Plantago brasiliensis var. tandilensis</i>
                                             <i>Plantago cafra</i>
                                                   [Plantago capillaris]
                                             <i>Plantago camtschatica</i>
                                             <i>Plantago canescens</i>
                                               <i>Plantago canescens subsp. richardsonii</i>
                                               <i>Plantago canescens var. cylindrica</i>
                                             <i>Plantago capitata</i>
                                             <i>Plantago centralis</i>
                                                   [Plantago erosa]
                                             <i>Plantago ciliata</i>
                                             <i>Plantago commersoniana</i>
                                             <i>Plantago cordata</i>
                                             <i>Plantago coronopus</i>
                                                   [Plantago aschersonii]
                                                   [Plantago parishii]
                                               <i>Plantago coronopus subsp. commutata</i>
                                               <i>Plantago coronopus subsp. coronopus</i>
                                             <i>Plantago crassifolia</i>
                                               <i>Plantago crassifolia var. crassifolia</i>
                                             <i>Plantago cretica</i>
                                             <i>Plantago crypsoides</i>
                                             <i>Plantago cupanii</i>
                                             <i>Plantago cylindrica</i>
                                             <i>Plantago cyrenaica</i>
                                             <i>Plantago debilis</i>
                                             <i>Plantago decipiens</i>
                                             <i>Plantago depressa</i>
                                               <i>Plantago depressa subsp. depressa</i>
                                                     [Plantago paludosa]
                                                     [Plantago tibetica]
                                             <i>Plantago drummondii</i>
                                             <i>Plantago durvillei</i>
                                               <i>Plantago durvillei subsp. subnuda</i>
                                               <i>Plantago durvillei var. angustata</i>
                                             <i>Plantago elongata</i>
                                                   [Plantago elongata var. elongata]
                                                   [Plantago hybrida]
                                                   [Plantago pusilla var. major]
                                                   [Plantago pusilla]
                                               <i>Plantago elongata subsp. elongata</i>
                                               <i>Plantago elongata subsp. pentasperma</i>
                                             <i>Plantago erecta</i>
                                                   [Plantago erecta subsp. rigidior]
                                                   [Plantago erecta var. erecta]
                                                   [Plantago hookeriana var. californica]
                                                   [Plantago patagonica var. californica]
                                               <i>Plantago erecta subsp. erecta</i>
                                             <i>Plantago eriopoda</i>
                                                   [Plantago retrorsa]
                                                   [Plantago shastensis]
                                             <i>Plantago exigua</i>
                                                   [Plantago pumila]
                                             <i>Plantago famarae</i>
                                             <i>Plantago firma</i>
                                             <i>Plantago fischeri</i>
                                                   [Plantago fischeri f. supina]
                                             <i>Plantago floccosa</i>
                                             <i>Plantago gentianoides</i>
                                             <i>Plantago glabrifolia</i>
                                             <i>Plantago grayana</i>
                                               <i>Plantago grayana var. abrotanelloides</i>
                                             <i>Plantago griffithii</i>
                                                   [Plantago griffithii var. alpina]
                                             <i>Plantago hawaiensis</i>
                                               <i>Plantago hawaiensis var. laxa</i>
                                             <i>Plantago helleri</i>
                                             <i>Plantago heterophylla</i>
                                             <i>Plantago hillebrandii</i>
                                             <i>Plantago hispida</i>
                                                   [Plantago tildeniae]
                                             <i>Plantago hispidula</i>
                                             <i>Plantago hookeriana</i>
                                                   [Plantago hookerana]
                                             <i>Plantago ignota</i>
                                             <i>Plantago incisa</i>
                                             <i>Plantago inflexa</i>
                                             <i>Plantago japonica</i>
                                                   [Plantago togashii]
                                             <i>Plantago jujuyensis</i>
                                             <i>Plantago juncoides</i>
                                               <i>Plantago juncoides var. californica</i>
                                               <i>Plantago juncoides var. decipiens</i>
                                               <i>Plantago juncoides var. glauca</i>
                                               <i>Plantago juncoides var. laurentiana</i>
                                             <i>Plantago krajinae</i>
                                             <i>Plantago lagopus</i>
                                               <i>Plantago lagopus subsp. lagopus</i>
                                                     [Plantago eriostachya]
                                                     [Plantago lusitanica]
                                               <i>Plantago lagopus subsp. ptolemaidis</i>
                                             <i>Plantago lanatifolia</i>
                                                   [Plantago patagonica var. lanatifolia]
                                             <i>Plantago lanceolata</i>
                                                   [Plantago abyssinica]
                                                   [Plantago altissima]
                                                   [Plantago hungarica]
                                                   [Plantago lanceolata var. sphaerostachya]
                                               <i>Plantago lanceolata lanceolata</i>
                                               <i>Plantago lanceolata subsp. lanceolata</i>
                                               <i>Plantago lanceolata var. lanceolata</i>
                                             <i>Plantago lanigera</i>
                                             <i>Plantago libyca</i>
                                             <i>Plantago limensis</i>
                                             <i>Plantago linearis</i>
                                               <i>Plantago linearis var. lasiophylla</i>
                                               <i>Plantago linearis var. linearis</i>
                                               <i>Plantago linearis var. mexicana</i>
                                             <i>Plantago loeflingii</i>
                                             <i>Plantago longissima</i>
                                             <i>Plantago macrocarpa</i>
                                                   [Plantago macrocarpum]
                                             <i>Plantago macrorhiza</i>
                                               <i>Plantago macrorhiza subsp. humilis</i>
                                               <i>Plantago macrorhiza subsp. macrorhiza</i>
                                             <i>Plantago maireana</i>
                                             <i>Plantago major</i>
                                                   [Plantago asiatica]
                                                   [Plantago halophila]
                                                   [Plantago major subsp. intermedia]
                                                   [Plantago major var. asiatica]
                                                   [Plantago major var. intermedia]
                                                   [Plantago major var. major]
                                                   [Plantago major var. minima]
                                                   [Plantago major var. pachyphylla]
                                                   [Plantago major var. pilgeri]
                                                   [Plantago major var. scopulorum]
                                                   [Plantago rocae]
                                               <i>Plantago major subsp. major</i>
                                             <i>Plantago malato-belizii</i>
                                             <i>Plantago maritima</i>
                                               <i>Plantago maritima subsp. borealis</i>
                                               <i>Plantago maritima subsp. ciliata</i>
                                                     [Plantago salsa]
                                               <i>Plantago maritima subsp. juncoides</i>
                                                     [Plantago borealis]
                                               <i>Plantago maritima subsp. maritima</i>
                                               <i>Plantago maritima subsp. serpentina</i>
                                               <i>Plantago maritima var. californica</i>
                                               <i>Plantago maritima var. juncoides</i>
                                               <i>Plantago maritima var. maritima</i>
                                             <i>Plantago mauritanica</i>
                                             <i>Plantago maxima</i>
                                             <i>Plantago media</i>
                                               <i>Plantago media var. monnieri</i>
                                             <i>Plantago melanochrous</i>
                                             <i>Plantago mexicana</i>
                                             <i>Plantago minor</i>
                                             <i>Plantago minuta</i>
                                                   [Plantago lessingii]
                                             <i>Plantago montana</i>
                                             <i>Plantago muscicola</i>
                                             <i>Plantago myosuroides</i>
                                             <i>Plantago myosuros</i>
                                             <i>Plantago neumannii</i>
                                             <i>Plantago nitrophila</i>
                                             <i>Plantago nivalis</i>
                                             <i>Plantago nivea</i>
                                             <i>Plantago notata</i>
                                             <i>Plantago obversa</i>
                                             <i>Plantago occidentalis</i>
                                             <i>Plantago oliganthos</i>
                                               <i>Plantago oliganthos var. fallax</i>
                                             <i>Plantago ovata</i>
                                                   [Plantago brunnea]
                                                   [Plantago gooddingii]
                                                   [Plantago insularis var. scariosa]
                                                   [Plantago insularis]
                                                   [Plantago minima]
                                                   [Plantago ovata var. decumbens]
                                                   [Plantago trichophylla]
                                               <i>Plantago ovata subsp. insularis</i>
                                                     [Plantago scariosa]
                                               <i>Plantago ovata var. fastigiata</i>
                                                     [Plantago fastigiata]
                                                     [Plantago insularis var. fastigiata]
                                               <i>Plantago ovata var. insularis</i>
                                             <i>Plantago pachyphylla</i>
                                                   [Plantago krajinai]
                                                   [Plantago melanochorous]
                                               <i>Plantago pachyphylla var. maviensis</i>
                                               <i>Plantago pachyphylla var. rotundifolia</i>
                                             <i>Plantago pallida</i>
                                             <i>Plantago palmata</i>
                                                   [Plantago kerstenii]
                                             <i>Plantago palustris</i>
                                             <i>Plantago patagonica</i>
                                                   [Plantago patagonica var. breviscapa]
                                                   [Plantago patagonica var. gnaphalioides]
                                                   [Plantago patagonica var. oblonga]
                                                   [Plantago patagonica var. patagonica]
                                                   [Plantago patagonica var. spinulosa]
                                                   [Plantago picta]
                                                   [Plantago purshii var. breviscapa]
                                                   [Plantago purshii var. oblonga]
                                                   [Plantago purshii var. picta]
                                                   [Plantago purshii var. purshii]
                                                   [Plantago purshii var. spinulosa]
                                                   [Plantago purshii]
                                                   [Plantago spinulosa]
                                                   [Plantago wyomingensis]
                                             <i>Plantago pauciflora</i>
                                             <i>Plantago phaeostoma</i>
                                             <i>Plantago pilgeriana</i>
                                             <i>Plantago princeps</i>
                                               <i>Plantago princeps var. acaulis</i>
                                               <i>Plantago princeps var. anomala</i>
                                               <i>Plantago princeps var. denticulata</i>
                                               <i>Plantago princeps var. elata</i>
                                               <i>Plantago princeps var. hirtella</i>
                                               <i>Plantago princeps var. laxiflora</i>
                                               <i>Plantago princeps var. laxifolia</i>
                                               <i>Plantago princeps var. longibracteata</i>
                                               <i>Plantago princeps var. princeps</i>
                                               <i>Plantago princeps var. queleniana</i>
                                             <i>Plantago psammophila</i>
                                             <i>Plantago purpurascens</i>
                                             <i>Plantago raoulii</i>
                                             <i>Plantago rhizoxylon</i>
                                             <i>Plantago rhodosperma</i>
                                             <i>Plantago rigida</i>
                                             <i>Plantago rugelii</i>
                                                   [Plantago rugelii var. alterniflora]
                                               <i>Plantago rugelii var. asperula</i>
                                               <i>Plantago rugelii var. rugelii</i>
                                             <i>Plantago sarcophylla</i>
                                             <i>Plantago schwarzenbergiana</i>
                                             <i>Plantago sempervirens</i>
                                             <i>Plantago septata</i>
                                             <i>Plantago sericea</i>
                                               <i>Plantago sericea subsp. caulescens</i>
                                                     [Plantago caulescens]
                                               <i>Plantago sericea subsp. sericans</i>
                                                     [Plantago monticola subsp. angusta]
                                             <i>Plantago serpentina</i>
                                             <i>Plantago serraria</i>
                                             <i>Plantago sinaica</i>
                                             <i>Plantago sparsiflora</i>
                                             <i>Plantago speciosa</i>
                                             <i>Plantago squarrosa</i>
                                                   [Plantago aegyptica]
                                             <i>Plantago stricta</i>
                                                   [Plantago afra var. stricta]
                                                   [Plantago psyllium var. stricta]
                                             <i>Plantago subnuda</i>
                                             <i>Plantago subspathulata</i>
                                             <i>Plantago subulata</i>
                                                   [Plantago carinata]
                                                   [Plantago holosteum]
                                                   [Plantago subulata var. granatensis]
                                               <i>Plantago subulata subsp. atlantis</i>
                                               <i>Plantago subulata subsp. subulata</i>
                                             <i>Plantago tatarica</i>
                                                   [Plantago gentianoides var. tatarica]
                                             <i>Plantago tenuiflora</i>
                                             <i>Plantago tetrantha</i>
                                             <i>Plantago tolucensis</i>
                                             <i>Plantago tomentosa</i>
                                             <i>Plantago truncata</i>
                                                   [Plantago truncata var. truncata]
                                               <i>Plantago truncata subsp. firma</i>
                        &