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           [Tracheobionta]
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             [Angiospermae]
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               Asterids
               Lamiids
                    Gentianales
                            <b>Gentianaceae</b>
                                     <i>Adenema</i>
                                     <i>Adenopogon</i>
                                     <i>Amarella</i>
                                             <i>Amarella copelandi</i>
                                             <i>Amarella distegia</i>
                                             <i>Amarella gurliae</i>
                                             <i>Amarella heterosepala</i>
                                             <i>Amarella plebeia</i>
                                             <i>Amarella revoluta</i>
                                             <i>Amarella theiantha</i>
                                               <i>Gentianella amarella subsp. sandiana</i>
                                     <i>Anagallidium</i>
                                     <i>Anthocleista</i>
                                             <i>Anthocleista amplexicaulis</i>
                                             <i>Anthocleista djalonensis</i>
                                             <i>Anthocleista gabonensis</i>
                                             <i>Anthocleista grandiflora</i>
                                                   [Anthocleista insignis]
                                                   [Anthocleista keniensis]
                                                   [Anthocleista orientalis]
                                                   [Anthocleista pulcherrima]
                                                   [Anthocleista scheffleri]
                                                   [Anthocleista zambesiaca]
                                             <i>Anthocleista inermis</i>
                                             <i>Anthocleista kerstingii</i>
                                             <i>Anthocleista laxiflora</i>
                                             <i>Anthocleista liebrechtsiana</i>
                                                   [Anthocleista baertsiana]
                                                   [Anthocleista gossweileri]
                                             <i>Anthocleista longifolia</i>
                                             <i>Anthocleista madagascariensis</i>
                                             <i>Anthocleista microphylla</i>
                                                   [Anthocleista macrocalyx]
                                                   [Anthocleista micrantha]
                                                   [Anthocleista stenantha]
                                             <i>Anthocleista nobilis</i>
                                                   [Anthocleista macrophylla]
                                                   [Anthocleista nigrescens]
                                                   [Anthocleista parviflora]
                                                   [Anthocleista procera var. parviflora]
                                                   [Anthocleista procera var. umbellata]
                                             <i>Anthocleista obanensis</i>
                                             <i>Anthocleista potalioides</i>
                                             <i>Anthocleista procera</i>
                                                   [Anthocleista frezoulsii]
                                             <i>Anthocleista scandens</i>
                                                   [Anthocleista exelliana]
                                             <i>Anthocleista schweinfurthii</i>
                                                   [Anthocleista gigantea]
                                                   [Anthocleista insulana]
                                                   [Anthocleista kamerunensis]
                                                   [Anthocleista laurentii]
                                                   [Anthocleista magnifica]
                                                   [Anthocleista niamniamensis]
                                                   [Anthocleista oubanguiensis]
                                                   [Anthocleista pynaertii]
                                                   [Anthocleista squamata]
                                                   [Anthocleista stuhlmannii]
                                             <i>Anthocleista vogelii</i>
                                                   [Anthocleista auriculata]
                                                   [Anthocleista bequaertii]
                                                   [Anthocleista buchneri]
                                                   [Anthocleista kalbreyeri]
                                                   [Anthocleista lanceolata]
                                                   [Anthocleista macrantha]
                                                   [Anthocleista talbotii]
                                                   [Anthocleista zenkeri]
                                     <i>Anthopogon</i>
                                             <i>Anthopogon crinitum</i>
                                             <i>Anthopogon elegans</i>
                                             <i>Anthopogon thermalis</i>
                                             <i>Anthopogon tonsum</i>
                                     <i>Arctogentia</i>
                                             <i>Arctogentia aurea</i>
                                     <i>Asterias</i>
                                     <i>Bartonia</i>
                                             <i>Bartonia aurea</i>
                                             <i>Bartonia iodandra</i>
                                             <i>Bartonia laevicaulis</i>
                                             <i>Bartonia lanceolata</i>
                                             <i>Bartonia ornata</i>
                                             <i>Bartonia paniculata</i>
                                               <i>Bartonia paniculata paniculata</i>
                                               <i>Bartonia paniculata subsp. iodandra</i>
                                                     [Bartonia iodandra var. sabulonensis]
                                               <i>Bartonia paniculata subsp. paniculata</i>
                                               <i>Bartonia paniculata subsp. texana</i>
                                               <i>Bartonia paniculata var. intermedia</i>
                                               <i>Bartonia paniculata var. iodandra</i>
                                               <i>Bartonia paniculata var. paniculata</i>
                                               <i>Bartonia paniculata var. sabulonensis</i>
                                             <i>Bartonia tenella</i>
                                             <i>Bartonia texana</i>
                                             <i>Bartonia verna</i>
                                             <i>Bartonia virginica</i>
                                                   [Centaurella autumnalis]
                                                   [Centaurella moseri]
                                               <i>Bartonia virginica var. paniculata</i>
                                               <i>Bartonia virginica var. sabulonensis</i>
                                               <i>Bartonia virginica var. virginica</i>
                                     <i>Belmontia</i>
                                     <i>Bisgoeppertia</i>
                                             <i>Bisgoeppertia gracilis</i>
                                                   [Goeppertia gracilis]
                                             <i>Bisgoeppertia scandens</i>
                                                   [Goeppertia volubilis]
                                     <i>Blackstonia</i>
                                             <i>Blackstonia acuminata</i>
                                               <i>Blackstonia acuminata subsp. acuminata</i>
                                                     [Blackstonia perfoliata subsp. serotina]
                                                     [Blackstonia serotina]
                                                     [Chlora serotina]
                                             <i>Blackstonia imperfoliata</i>
                                                   [Blackstonia perfoliata subsp. imperfoliata]
                                                   [Chlora imperfoliata]
                                             <i>Blackstonia perfoliata</i>
                                                   [Chlora perfoliata]
                                               <i>Blackstonia perfoliata subsp. grandiflora</i>
                                               <i>Blackstonia perfoliata subsp. intermedia</i>
                                               <i>Blackstonia perfoliata subsp. perfoliata</i>
                                     <i>Calathiana</i>
                                             <i>Calathiana nivalis</i>
                                     <i>Calolisianthus</i>
                                             <i>Calolisianthus amplissimus</i>
                                                   [Irlbachia amplissima]
                                             <i>Calolisianthus pendulus</i>
                                                   [Calolisianthus macranthus]
                                             <i>Calolisianthus pulcherrimus</i>
                                     <i>Canscora</i>
                                             <i>Canscora alata</i>
                                                   [Canscora decussata]
                                             <i>Canscora andrographioides</i>
                                             <i>Canscora diffusa</i>
                                                   [Canscora decurrens]
                                                   [Canscora kirkii]
                                                   [Gentiana diffusa]
                                             <i>Canscora heteroclita</i>
                                                   [Canscora sessiliflora]
                                             <i>Canscora perfoliata</i>
                                     <i>Celiantha</i>
                                             <i>Celiantha bella</i>
                                             <i>Celiantha chimantensis</i>
                                             <i>Celiantha imthurniana</i>
                                     <i>Centaurella</i>
                                             <i>Centaurella paniculata</i>
                                             <i>Centaurella verna</i>
                                     <i>Centaurium</i>
                                             <i>Centaurium ameghinoi</i>
                                             <i>Centaurium barrelieroides</i>
                                             <i>Centaurium blumbergianum</i>
                                             <i>Centaurium brachycalyx</i>
                                             <i>Centaurium cachanlahuen</i>
                                             <i>Centaurium capense</i>
                                             <i>Centaurium centaurioides</i>
                                                   [Centaurium roxburghii]
                                             <i>Centaurium chironioides</i>
                                             <i>Centaurium chloodes</i>
                                                   [Erythraea conferta]
                                             <i>Centaurium compar</i>
                                                   [Erythraea compar]
                                             <i>Centaurium curvistamineum</i>
                                             <i>Centaurium erythraea</i>
                                                   [Centaurium centaurium]
                                                   [Centaurium minus]
                                               <i>Centaurium erythraea subsp. apertum</i>
                                               <i>Centaurium erythraea subsp. bernardii</i>
                                               <i>Centaurium erythraea subsp. erythraea</i>
                                                     [Centaurium latifolium]
                                               <i>Centaurium erythraea subsp. grandiflorum</i>
                                                     [Centaurium grandiflorum subsp. grandiflorum]
                                                     [Centaurium grandiflorum]
                                               <i>Centaurium erythraea subsp. majus</i>
                                               <i>Centaurium erythraea subsp. rhodense</i>
                                               <i>Centaurium erythraea subsp. suffruticosum</i>
                                               <i>Centaurium erythraea var. capitatum</i>
                                                     [Centaurium capitatum]
                                             <i>Centaurium flexuosum</i>
                                                   [Monodiella flexuosa]
                                             <i>Centaurium floribundum</i>
                                             <i>Centaurium gentryi</i>
                                             <i>Centaurium japonicum</i>
                                             <i>Centaurium littorale</i>
                                                   [Centaurium vulgare]
                                               <i>Centaurium littorale subsp. littorale</i>
                                                     [Centaurium glomeratum]
                                             <i>Centaurium mairei</i>
                                             <i>Centaurium majus</i>
                                             <i>Centaurium maritimum</i>
                                             <i>Centaurium minutissimum</i>
                                             <i>Centaurium pulchellum</i>
                                                   [Gentiana pulchella]
                                               <i>Centaurium pulchellum subsp. grandiflorum</i>
                                               <i>Centaurium pulchellum subsp. meyeri</i>
                                                     [Centaurium meyeri]
                                                     [Erythraea meyeri]
                                               <i>Centaurium pulchellum subsp. pulchellum</i>
                                                     [Centaurium ramosissimum]
                                             <i>Centaurium quadrifolium</i>
                                               <i>Centaurium quadrifolium subsp. linariifolium</i>
                                                     [Erythraea linariifolia]
                                               <i>Centaurium quadrifolium subsp. quadrifolium</i>
                                                     [Centaurium triphyllum]
                                                     [Gentiana quadrifolia]
                                             <i>Centaurium quitense</i>
                                                   [Centaurium brittonii]
                                                   [Erythraea quitensis]
                                             <i>Centaurium scilloides</i>
                                                   [Erythraea scilloides]
                                             <i>Centaurium sebaeoides</i>
                                             <i>Centaurium spicatum</i>
                                             <i>Centaurium tenuiflorum</i>
                                                   [Erythraea pulchella subsp. tenuiflora]
                                                   [Erythraea tenuiflora]
                                               <i>Centaurium tenuiflorum subsp. acutiflorum</i>
                                               <i>Centaurium tenuiflorum subsp. tenuiflorum</i>
                                             <i>Centaurium tenuifolium</i>
                                             <i>Centaurium umbellatum</i>
                                     <i>Centaurodes</i>
                                             <i>Centaurodes beyrichii</i>
                                     <i>Chelonanthus</i>
                                             <i>Chelonanthus alatus</i>
                                                   [Chelonanthus acutangulus]
                                                   [Chelonanthus chelonoides]
                                                   [Helia alata]
                                                   [Helia chelonoides]
                                                   [Irlbachia alata subsp. alata]
                                                   [Irlbachia alata]
                                                   [Lisianthus alatus]
                                             <i>Chelonanthus albus</i>
                                             <i>Chelonanthus angustifolius</i>
                                                   [Irlbachia alata subsp. angustifolia]
                                             <i>Chelonanthus purpurascens</i>
                                                   [Irlbachia purpurascens]
                                             <i>Chelonanthus uliginosus</i>
                                             <i>Chelonanthus viridiflorus</i>
                                                   [Irlbachia alata subsp. viridiflora]
                                     <i>Chironia</i>
                                             <i>Chironia angolensis</i>
                                             <i>Chironia angularis</i>
                                             <i>Chironia baccifera</i>
                                             <i>Chironia baumiana</i>
                                             <i>Chironia calycosa</i>
                                             <i>Chironia chloroides</i>
                                             <i>Chironia dodecandra</i>
                                             <i>Chironia elgonensis</i>
                                             <i>Chironia erythraeoides</i>
                                             <i>Chironia flexuosa</i>
                                             <i>Chironia gracilis</i>
                                             <i>Chironia gratissima</i>
                                             <i>Chironia jasminoides</i>
                                                   [Chironia nudicaulis]
                                             <i>Chironia katangensis</i>
                                               <i>Chironia katangensis subsp. katangensis</i>
                                               <i>Chironia katangensis subsp. verdickii</i>
                                                     [Chironia uniflora]
                                                     [Chironia verdickii]
                                             <i>Chironia krebsii</i>
                                                   [Chironia densiflora]
                                             <i>Chironia laxiflora</i>
                                                   [Chironia rubrocoerulea]
                                             <i>Chironia linoides</i>
                                               <i>Chironia linoides subsp. emarginata</i>
                                                     [Chironia lychnoides]
                                             <i>Chironia maritima</i>
                                             <i>Chironia melampyrifolia</i>
                                             <i>Chironia palustris</i>
                                               <i>Chironia palustris subsp. palustris</i>
                                               <i>Chironia palustris subsp. rosacea</i>
                                                     [Chironia maxima]
                                               <i>Chironia palustris subsp. transvaalensis</i>
                                                     [Chironia transvaalensis]
                                             <i>Chironia paniculata</i>
                                             <i>Chironia peduncularis</i>
                                             <i>Chironia perfoliata</i>
                                             <i>Chironia pulchella</i>
                                             <i>Chironia purpurascens</i>
                                               <i>Chironia purpurascens subsp. humilis</i>
                                                     [Chironia humilis var. wilmsii]
                                                     [Chironia humilis var. zuluensis]
                                                     [Chironia humilis]
                                                     [Chironia wilmsii]
                                               <i>Chironia purpurascens subsp. purpurascens</i>
                                             <i>Chironia tetragona</i>
                                     <i>Chlora</i>
                                     <i>Chondrophylla</i>
                                     <i>Chorisepalum</i>
                                             <i>Chorisepalum psychotrioides</i>
                                     <i>Cicendia</i>
                                             <i>Cicendia filiformis</i>
                                                   [Microcala filiformis]
                                             <i>Cicendia quadrangularis</i>
                                     <i>Ciminalis</i>
                                     <i>Comastoma</i>
                                             <i>Comastoma falcatum</i>
                                             <i>Comastoma pulmonarium</i>
                                               <i>Comastoma pulmonarium subsp. pulmonarium</i>
                                                     [Gentiana pulmonaria]
                                             <i>Comastoma stellariifolium</i>
                                                   [Gentiana tenella var. sikkimensis]
                                             <i>Comastoma tenellum</i>
                                                   [Gentiana borealis]
                                                   [Gentiana tenella var. monantha]
                                                   [Gentiana tenella]
                                                   [Gentianella tenella subsp. tenella]
                                                   [Gentianella tenella]
                                                   [Lomatogonium tenellum]
                                     <i>Congolanthus</i>
                                             <i>Congolanthus longidens</i>
                                                   [Neurotheca densa]
                                                   [Neurotheca longidens]
                                     <i>Coutoubea</i>
                                             <i>Coutoubea ramosa</i>
                                               <i>Coutoubea ramosa var. racemosa</i>
                                               <i>Coutoubea ramosa var. ramosa</i>
                                             <i>Coutoubea reflexa</i>
                                             <i>Coutoubea spicata</i>
                                     <i>Crawfordia</i>
                                     <i>Crawfurdia</i>
                                             <i>Crawfurdia angustata</i>
                                                   [Gentiana angustata]
                                             <i>Crawfurdia campanulacea</i>
                                             <i>Crawfurdia fasciculata</i>
                                     <i>Curtia</i>
                                             <i>Curtia diffusa</i>
                                             <i>Curtia quadrifolia</i>
                                             <i>Curtia tenella</i>
                                             <i>Curtia tenuifolia</i>
                                                   [Curtia patula]
                                                   [Schuebleria tenuifolia]
                                             <i>Curtia verticillaris</i>
                                     <i>Cyrtophyllum</i>
                                             <i>Cyrtophyllum giganteum</i>
                                                   [Fagraea gigantea]
                                             <i>Cyrtophyllum lanceolatum</i>
                                                   [Fagraea lanceolata]
                                     <i>Dasystephana</i>
                                             <i>Dasystephana andrewsii</i>
                                             <i>Dasystephana bigelovii</i>
                                             <i>Dasystephana decora</i>
                                             <i>Dasystephana glauca</i>
                                             <i>Dasystephana grayi</i>
                                             <i>Dasystephana latifolia</i>
                                             <i>Dasystephana linearis</i>
                                             <i>Dasystephana parvifolia</i>
                                             <i>Dasystephana porphyrio</i>
                                             <i>Dasystephana saponaria</i>
                                             <i>Dasystephana tenuifolia</i>
                                             <i>Dasystephana villosa</i>
                                     <i>Deianira</i>
                                             <i>Deianira chiquitana</i>
                                             <i>Deianira erubescens</i>
                                             <i>Deianira nervosa</i>
                                             <i>Deianira pallescens</i>
                                     <i>Djaloniella</i>
                                             <i>Djaloniella ypsilostyla</i>
                                     <i>Enicostema</i>
                                             <i>Enicostema axillare</i>
                                               <i>Enicostema axillare subsp. axillare</i>
                                                     [Adenema hyssopifolia]
                                                     [Enicostema hyssopifolium]
                                                     [Exacum hyssopifolium]
                                                     [Gentiana axillaris]
                                                     [Hippion hyssopifolium]
                                                     [Hippion verticillatum]
                                               <i>Enicostema axillare subsp. latilobum</i>
                                                     [Enicostema latiloba]
                                                     [Gentiana verticilliata]
                                             <i>Enicostema verticillatum</i>
                                                   [Enicostema axillare subsp. littorale]
                                                   [Enicostema littorale]
                                     <i>Ericoila</i>
                                     <i>Erythraea</i>
                                             <i>Erythraea beyrichii</i>
                                             <i>Erythraea centaurium</i>
                                             <i>Erythraea chilensis</i>
                                             <i>Erythraea chironioides</i>
                                             <i>Erythraea divaricata</i>
                                             <i>Erythraea douglasii</i>
                                             <i>Erythraea exaltata</i>
                                             <i>Erythraea floribunda</i>
                                             <i>Erythraea linarifolia</i>
                                             <i>Erythraea littoralis</i>
                                             <i>Erythraea maritima</i>
                                             <i>Erythraea nudicaulis</i>
                                             <i>Erythraea nuttallii</i>
                                             <i>Erythraea pulchella</i>
                                         <i>Erythraea sect. Erythraea</i>
                                             <i>Erythraea ramosissima</i>
                                             <i>Erythraea texensis</i>
                                             <i>Erythraea trichantha</i>
                                             <i>Erythraea venusta</i>
                                               <i>Erythraea venusta var. micrantha</i>
                                     <i>Eustoma</i>
                                             <i>Eustoma exaltatum</i>
                                                   [Eustoma exaltatum f. albiflorum]
                                                   [Eustoma silenifolium]
                                               <i>Eustoma exaltatum subsp. exaltatum</i>
                                                     [Eustoma barkleyi]
                                                     [Lisianthus glaucifolius]
                                               <i>Eustoma exaltatum subsp. russellianum</i>
                                                     [Eustoma russellianum]
                                             <i>Eustoma gracile</i>
                                             <i>Eustoma grandiflorum</i>
                                                   [Eustoma andrewsii]
                                     <i>Exaculum</i>
                                             <i>Exaculum pusillum</i>
                                     <i>Exacum</i>
                                             <i>Exacum affine</i>
                                             <i>Exacum chilense</i>
                                             <i>Exacum inflatum</i>
                                             <i>Exacum oldenlandioides</i>
                                                   [Exacum quinquenervium]
                                                   [Sebaea oldenlandioides]
                                             <i>Exacum pumilum</i>
                                             <i>Exacum teres</i>
                                             <i>Exacum tetragonum</i>
                                                   [Exacum bicolor]
                                                   [Exacum hamiltonii]
                                             <i>Exacum trinervium</i>
                                             <i>Exacum zombense</i>
                                     <i>Exochaenium</i>
                                             <i>Exochaenium alatum</i>
                                                   [Sebaea alata]
                                             <i>Exochaenium baumianum</i>
                                             <i>Exochaenium caudatum</i>
                                                   [Sebaea caudata]
                                             <i>Exochaenium clavatum</i>
                                             <i>Exochaenium debile</i>
                                                   [Belmontia debilis]
                                                   [Parasia debilis]
                                                   [Sebaea africana]
                                                   [Sebaea debilis]
                                             <i>Exochaenium dimidiatum</i>
                                                   [Sebaea dimidiata]
                                             <i>Exochaenium exiguum</i>
                                                   [Sebaea minuta]
                                             <i>Exochaenium fernandesianum</i>
                                                   [Sebaea fernandesiana]
                                             <i>Exochaenium gracile</i>
                                                   [Belmontia gracilis]
                                                   [Belmontia luteo-alba]
                                                   [Parasia gracilis]
                                                   [Sebaea gracilis]
                                                   [Sebaea luteo-alba]
                                                   [Sebaea ohlendorffiana]
                                             <i>Exochaenium grande</i>
                                                   [Belmontia grandis]
                                                   [Belmontia natalensis]
                                                   [Belmontia zambesiaca]
                                                   [Exochaenium grande var. homostylum]
                                                   [Exochaenium grande var. major]
                                                   [Exochaenium macranthum]
                                                   [Parasia grandis var. major]
                                                   [Parasia grandis]
                                                   [Sebaea natalensis]
                                             <i>Exochaenium hockii</i>
                                                   [Belmontia hockii]
                                                   [Sebaea hockii]
                                             <i>Exochaenium lineariforme</i>
                                                   [Sebaea lineariformis]
                                             <i>Exochaenium macropterum</i>
                                                   [Sebaea macroptera]
                                             <i>Exochaenium oliganthum</i>
                                                   [Belmontia oligantha]
                                                   [Exochaenium bugandense]
                                                   [Exochaenium evrardii]
                                                   [Sebaea mildbraedii]
                                                   [Sebaea oligantha]
                                             <i>Exochaenium perparvum</i>
                                                   [Sebaea perparva]
                                             <i>Exochaenium platypterum</i>
                                                   [Belmontia platyptera]
                                                   [Parasia platyptera]
                                                   [Sebaea platyptera]
                                             <i>Exochaenium primuliflorum</i>
                                                   [Belmontia primuliflora]
                                                   [Parasia primuliflora]
                                                   [Sebaea primuliflora]
                                             <i>Exochaenium pumilum</i>
                                                   [Belmontia pumila]
                                                   [Sebaea pumila]
                                             <i>Exochaenium pygmaeum</i>
                                             <i>Exochaenium rotundifolium</i>
                                                   [Belmontia rotundifolia]
                                                   [Sebaea brevicaulis]
                                             <i>Exochaenium teucszii</i>
                                                   [Belmontia chevalieri]
                                                   [Belmontia chionantha]
                                                   [Belmontia mechowiana]
                                                   [Belmontia teucszii var. angustifolia]
                                                   [Belmontia teucszii]
                                                   [Exochaenium chionanthus]
                                                   [Exochaenium gentilii]
                                                   [Exochaenium mechowianum]
                                                   [Sebaea gentilii]
                                                   [Sebaea teuszii]
                                                   [Tachiadenus continentalis]
                                                   [Tachiadenus mechowianus]
                                             <i>Exochaenium wildemanianum</i>
                                                   [Sebaea wildemaniana]
                                     <i>Fagraea</i>
                                             <i>Fagraea auriculata</i>
                                             <i>Fagraea berteriana</i>
                                             <i>Fagraea berteroana</i>
                                                   [Fagraea schlechteri]
                                             <i>Fagraea blumei</i>
                                               <i>Fagraea blumei subsp. blumei</i>
                                                     [Fagraea cuernosensis]
                                                     [Fagraea negrosensis]
                                             <i>Fagraea borneensis</i>
                                                   [Fagraea nonok]
                                             <i>Fagraea ceilanica</i>
                                               <i>Fagraea ceilanica subsp. ceilanica</i>
                                                     [Fagraea chinensis]
                                                     [Fagraea khasiana]
                                                     [Fagraea obovata]
                                                     [Fagraea splendens]
                                             <i>Fagraea fragrans</i>
                                             <i>Fagraea gitingensis</i>
                                             <i>Fagraea gracilipes</i>
                                                   [Fagraea amabilis]
                                                   [Fagraea cambagei]
                                             <i>Fagraea involucrata</i>
                                             <i>Fagraea litoralis</i>
                                                   [Fagraea rahmatii]
                                             <i>Fagraea macroscypha</i>
                                                   [Fagraea involucrata var. longipetiolata]
                                             <i>Fagraea salticola</i>
                                             <i>Fagraea woodiana</i>
                                     <i>Faroa</i>
                                             <i>Faroa acaulis</i>
                                                   [Faroa paradoxa]
                                                   [Faroa pygmaea]
                                             <i>Faroa acuminata</i>
                                             <i>Faroa affinis</i>
                                                   [Faroa wellmanii]
                                             <i>Faroa alata</i>
                                             <i>Faroa amara</i>
                                             <i>Faroa axillaris</i>
                                             <i>Faroa chalcophila</i>
                                             <i>Faroa corniculata</i>
                                             <i>Faroa duvigneaudii</i>
                                             <i>Faroa fanshawei</i>
                                             <i>Faroa graveolens</i>
                                                   [Faroa gomphrenoides]
                                             <i>Faroa hutchinsonii</i>
                                             <i>Faroa involucrata</i>
                                                   [Sebaea involucrata]
                                             <i>Faroa malaissei</i>
                                             <i>Faroa minutiflora</i>
                                             <i>Faroa pusilla</i>
                                                   [Faroa schweinfurthii]
                                                   [Faroa stolzii]
                                             <i>Faroa richardsiae</i>
                                             <i>Faroa salutaris</i>
                                                   [Faroa boehmii]
                                                   [Faroa nyasica]
                                             <i>Faroa schaijesiorum</i>
                                     <i>Frasera</i>
                                             <i>Frasera ackermaniae</i>
                                                   [Frasera ackermanae]
                                                   [Swertia ackermanae]
                                             <i>Frasera albicaulis</i>
                                               <i>Frasera albicaulis subsp. albicaulis</i>
                                               <i>Frasera albicaulis subsp. nitida</i>
                                               <i>Frasera albicaulis var. albicaulis</i>
                                               <i>Frasera albicaulis var. columbiana</i>
                                               <i>Frasera albicaulis var. cusickii</i>
                                                     [Frasera cusickii]
                                               <i>Frasera albicaulis var. idahoensis</i>
                                                     [Frasera idahoensis]
                                               <i>Frasera albicaulis var. modocensis</i>
                                                     [Swertia bethelii]
                                                     [Swertia californica]
                                                     [Swertia modocensis var. adglabra]
                                                     [Swertia modocensis]
                                                     [Swertia shastensis]
                                                     [Swertia sierrae]
                                               <i>Frasera albicaulis var. nitida</i>
                                                     [Frasera nitida var. albida]
                                             <i>Frasera albomarginata</i>
                                                   [Frasera albomarginata var. induta]
                                                   [Leucocraspedum albomarginatum]
                                                   [Swertia albomarginata subsp. purpusii]
                                                   [Swertia albomarginata]
                                               <i>Frasera albomarginata var. albomarginata</i>
                                               <i>Frasera albomarginata var. purpusii</i>
                                             <i>Frasera ampla</i>
                                             <i>Frasera caerulea</i>
                                             <i>Frasera carolinensis</i>
                                                   [Swertia frasera]
                                             <i>Frasera caroliniensis</i>
                                                   [Swertia carolinensis]
                                                   [Swertia caroliniensis]
                                             <i>Frasera coerulea</i>
                                             <i>Frasera coloradensis</i>
                                             <i>Frasera fastigiata</i>
                                             <i>Frasera gypsicola</i>
                                                   [Swertia gypsicoloa]
                                             <i>Frasera montana</i>
                                             <i>Frasera neglecta</i>
                                             <i>Frasera nitida</i>
                                               <i>Frasera nitida var. albicaulis</i>
                                             <i>Frasera officinalis</i>
                                             <i>Frasera pahutensis</i>
                                                   [Swertia pahutensis]
                                             <i>Frasera paniculata</i>
                                                   [Frasera utahensis]
                                                   [Swertia utahensis]
                                             <i>Frasera parryi</i>
                                                   [Swertia parryi]
                                             <i>Frasera puberulenta</i>
                                             <i>Frasera speciosa</i>
                                                   [Frasera angustifolia]
                                                   [Frasera macrophylla]
                                                   [Frasera speciosa var. angustifolia]
                                                   [Frasera speciosa var. stenosepala]
                                                   [Frasera stenosepala]
                                                   [Swertia radiata var. macrophylla]
                                                   [Swertia radiata var. maderensis]
                                                   [Swertia radiata var. radiata]
                                                   [Swertia radiata]
                                                   [Tesseranthium angustifolium]
                                                   [Tesseranthium macrophyllum]
                                                   [Tesseranthium radiatum]
                                               <i>Frasera speciosa var. scabra</i>
                                               <i>Frasera speciosa var. speciosa</i>
                                             <i>Frasera tubulosa</i>
                                             <i>Frasera umpquaensis</i>
                                             <i>Frasera venosa</i>
                                             <i>Frasera verticillata</i>
                                             <i>Frasera walteri</i>
                                     <i>Geniostemon</i>
                                             <i>Geniostemon coulteri</i>
                                             <i>Geniostemon gypsophilum</i>
                                             <i>Geniostemon rotundifolius</i>
                                             <i>Geniostemon schaffneri</i>
                                     <i>Gentiana</i>
               Gentiana F1 hybrid
                                             <i>Gentiana acaulis</i>
                                                   [Gentiana kochiana]
                                             <i>Gentiana adsurgens</i>
                                             <i>Gentiana affinis</i>
                                                   [Dasystephana affinis]
                                                   [Dasystephana interrupta]
                                                   [Gentiana affinis var. affinis]
                                                   [Gentiana affinis var. bigelovii]
                                                   [Gentiana affinis var. forwoodii]
                                                   [Gentiana affinis var. major]
                                                   [Gentiana affinis var. ovata]
                                                   [Gentiana affinis var. parvidentata]
                                                   [Gentiana bigelovii]
                                                   [Gentiana forwoodii]
                                                   [Gentiana interrupta]
                                                   [Gentiana oregana]
                                                   [Gentiana rusbyi]
                                                   [Pneumonanthe affinis]
                                                   [Pneumonanthe bigelovii]
                                                   [Pneumonanthe rusbyi]
                                               <i>Gentiana affinis affinis</i>
                                             <i>Gentiana alba</i>
                                                   [Dasystephana flavida]
                                                   [Pneumonanthe flavida]
                                             <i>Gentiana albicalyx</i>
                                               <i>Gentiana albicalyx subsp. albicalyx</i>
                                                     [Gentiana capitata var. strobiliformis]
                                             <i>Gentiana aleutica</i>
                                             <i>Gentiana algida</i>
                                                   [Gentiana crandallii]
                                                   [Gentiana frigida var. algida]
                                                   [Gentiana romanzovii]
                                                   [Gentianodes algida]
                                               <i>Gentiana algida var. purdomii</i>
                                                     [Gentiana purdomii]
                                             <i>Gentiana alpina</i>
                                             <i>Gentiana andrewsii</i>
                                                   [Gentiana andrewsii f. albiflora]
                                                   [Gentiana andrewsii f. rhodantha]
                                                   [Gentiana clausa f. albiflora]
                                               <i>Gentiana andrewsii var. andrewsii</i>
                                               <i>Gentiana andrewsii var. dakotica</i>
                                             <i>Gentiana angustifolia</i>
                                               <i>Gentiana angustifolia subsp. angustifolia</i>
                                                     [Gentiana acaulis var. angustifolia]
                                             <i>Gentiana aphylla</i>
                                             <i>Gentiana arctophila</i>
                                             <i>Gentiana argentea</i>
                                             <i>Gentiana arisanensis</i>
                                             <i>Gentiana asclepiadea</i>
                                             <i>Gentiana aspera</i>
                                             <i>Gentiana atlantica</i>
                                             <i>Gentiana aurea</i>
                                             <i>Gentiana austromontana</i>
                                             <i>Gentiana autumnalis</i>
                                                   [Gentiana porphyrio f. albescens]
                                             <i>Gentiana bangii</i>
                                             <i>Gentiana bavarica</i>
                                               <i>Gentiana bavarica var. rotundifolia</i>
                                             <i>Gentiana beamanii</i>
                                             <i>Gentiana bicuspidata</i>
                                                   [Pneumonanthe bicuspidata]
                                             <i>Gentiana billingtonii</i>
                                             <i>Gentiana bisetaea</i>
                                             <i>Gentiana boryi</i>
                                             <i>Gentiana brachyphylla</i>
                                                   [Gentiana verna var. brachyphylla]
                                             <i>Gentiana bracteosa</i>
                                             <i>Gentiana burseri</i>
                                             <i>Gentiana cachemirica</i>
                                                   [Gentiana loderi]
                                             <i>Gentiana caliculata</i>
                                             <i>Gentiana calycosa</i>
                                                   [Dasystephana obtusiloba]
                                                   [Gentiana calycosa subsp. asepala]
                                                   [Gentiana calycosa var. stricta]
                                                   [Gentiana cusickii]
                                                   [Gentiana idahoensis]
                                               <i>Gentiana calycosa var. monticola</i>
                                               <i>Gentiana calycosa var. obtusiloba</i>
                                               <i>Gentiana calycosa var. xantha</i>
                                             <i>Gentiana capitata</i>
                                               <i>Gentiana capitata subsp. capitata</i>
                                                     [Gentiana capitata var. andersonii]
                                             <i>Gentiana catalaunica</i>
                                             <i>Gentiana catesbaei</i>
                                                   [Gentiana elliottii var. parvifolia]
                                                   [Pneumonanthe catesbaei]
                                                   [Xolemia trachiloma var. major]
                                               <i>Gentiana catesbaei var. nummulariifolia</i>
                                             <i>Gentiana cephalantha</i>
                                             <i>Gentiana cherokeensis</i>
                                             <i>Gentiana ciliata</i>
                                             <i>Gentiana citrina</i>
                                             <i>Gentiana clarkei</i>
                                             <i>Gentiana clausa</i>
                                                   [Pneumonanthe clausa]
                                             <i>Gentiana clusii</i>
                                             <i>Gentiana copelandii</i>
                                             <i>Gentiana coronata</i>
                                             <i>Gentiana crassuloides</i>
                                             <i>Gentiana crinita</i>
                                               <i>Gentiana crinita subsp. victorinii</i>
                                               <i>Gentiana crinita var. browniana</i>
                                               <i>Gentiana crinita var. tonsa</i>
                                             <i>Gentiana cruciata</i>
                                               <i>Gentiana cruciata subsp. phlogifolia</i>
                                                     [Gentiana phlogifolia]
                                             <i>Gentiana dahurica</i>
                                                   [Gentiana gracilipes]
                                             <i>Gentiana davidii</i>
                                                   [Gentiana atkinsonii]
                                               <i>Gentiana davidii var. formosana</i>
                                                     [Gentiana atkinsonii var. formosana]
                                                     [Gentiana formosana]
                                             <i>Gentiana decemfida</i>
                                                   [Gentiana aprica]
                                             <i>Gentiana decora</i>
                                                   [Pneumonanthe decora]
                                             <i>Gentiana decumbens</i>
                                             <i>Gentiana delicata</i>
                                                   [Gentiana heterostemon var. chingii]
                                             <i>Gentiana deloachii</i>
                                             <i>Gentiana distegia</i>
                                             <i>Gentiana douglasiana</i>
                                             <i>Gentiana durangensis</i>
                                             <i>Gentiana ecaudata</i>
                                             <i>Gentiana elliottii</i>
                                               <i>Gentiana elliottii var. latifolia</i>
                                             <i>Gentiana elmeriana</i>
                                             <i>Gentiana eximia</i>
                                             <i>Gentiana farreri</i>
                                             <i>Gentiana fieldiana</i>
                                             <i>Gentiana flava</i>
                                             <i>Gentiana flavida</i>
                                             <i>Gentiana flavomaculata</i>
                                               <i>Gentiana flavomaculata subsp. tatakensis</i>
                                                     [Gentiana tatakensis]
                                             <i>Gentiana fremontii</i>
                                                   [Chondrophylla aquatica]
                                                   [Chondrophylla fremontii]
                                                   [Ciminalis fremontii]
                                                   [Gentiana aquatica]
                                             <i>Gentiana freyniana</i>
                                             <i>Gentiana frigida</i>
                                             <i>Gentiana gaspensis</i>
                                             <i>Gentiana gebleri</i>
                                             <i>Gentiana gelida</i>
                                             <i>Gentiana glauca</i>
                                                   [Gentiana caespitosa]
                                             <i>Gentiana grandiflora</i>
                                                   [Gentiana altaica]
                                             <i>Gentiana helleri</i>
                                             <i>Gentiana hooperi</i>
                                             <i>Gentiana infelix</i>
                                                   [Gentiana minuta]
                                             <i>Gentiana jamesii</i>
                                             <i>Gentiana jamesonii</i>
                                             <i>Gentiana kaufmanniana</i>
                                             <i>Gentiana kirilowii</i>
                                             <i>Gentiana kurroo</i>
                                             <i>Gentiana laevigata</i>
                                             <i>Gentiana latidens</i>
                                             <i>Gentiana latifolia</i>
                                             <i>Gentiana laxiflora</i>
                                             <i>Gentiana leucomelaena</i>
                                             <i>Gentiana ligustica</i>
                                             <i>Gentiana linearis</i>
                                                   [Gentiana linearis f. blanchardii]
                                                   [Pneumonanthe linearis]
                                               <i>Gentiana linearis subsp. rubricaulis</i>
                                               <i>Gentiana linearis var. lanceolata</i>
                                               <i>Gentiana linearis var. latifolia</i>
                                             <i>Gentiana lineata</i>
                                             <i>Gentiana longicollis</i>
                                             <i>Gentiana loureirii</i>
                                             <i>Gentiana lutea</i>
                                             <i>Gentiana macounii</i>
                                             <i>Gentiana macrophylla</i>
                                               <i>Gentiana macrophylla subsp. macrophylla</i>
                                                     [Dasystephana macrophylla]
                                             <i>Gentiana makinoi</i>
                                             <i>Gentiana mandonii</i>
                                             <i>Gentiana marginata</i>
                                             <i>Gentiana menziesii</i>
                                             <i>Gentiana mirandae</i>
                                             <i>Gentiana monantha</i>
                                             <i>Gentiana montana</i>
                                             <i>Gentiana moorcroftiana</i>
                                             <i>Gentiana nesophila</i>
                                                   [Gentiana detonsa var. nesophila]
                                             <i>Gentiana nevadensis</i>
                                             <i>Gentiana newberryi</i>
                                               <i>Gentiana newberryi var. newberryi</i>
                                               <i>Gentiana newberryi var. tiogana</i>
                                             <i>Gentiana nipponica</i>
                                             <i>Gentiana nivalis</i>
                                                   [Gentiana humilis]
                                             <i>Gentiana nubigena</i>
                                                   [Gentiana algida var. nubigena]
                                             <i>Gentiana nudicaulis</i>
                                             <i>Gentiana obtusifolia</i>
                                             <i>Gentiana olgae</i>
                                             <i>Gentiana olivieri</i>
                                             <i>Gentiana orbicularis</i>
                                                   [Gentiana brachyphylla subsp. favratii]
                                             <i>Gentiana ornata</i>
                                             <i>Gentiana ovatiloba</i>
                                               <i>Gentiana ovatiloba subsp. ovatiloba</i>
                                                     [Gentiana guatemalensis]
                                                     [Gentiana lewisiae]
                                             <i>Gentiana pachyphylla</i>
                                             <i>Gentiana pallida</i>
                                             <i>Gentiana pannonica</i>
                                             <i>Gentiana panthaica</i>
                                             <i>Gentiana paradoxa</i>
                                             <i>Gentiana parryi</i>
                                                   [Dasystephana parryi]
                                                   [Gentiana calycosa var. asepala]
                                                   [Pneumonanthe parryi]
                                             <i>Gentiana parviflora</i>
                                             <i>Gentiana parvifolia</i>
                                             <i>Gentiana pedicellata</i>
                                               <i>Gentiana pedicellata subsp. zeylanica</i>
                                                     [Gentiana quadrifaria var. zeylanica]
                                             <i>Gentiana pennelliana</i>
                                                   [Gentiana angustifolia var. australis]
                                                   [Gentiana autumnalis subsp. pennelliana]
                                                   [Gentiana frigida var. drummondii]
                                             <i>Gentiana perpusilla</i>
                                             <i>Gentiana platypetala</i>
                                                   [Gentiana covillei]
                                                   [Pneumonanthe platypetala]
                                             <i>Gentiana plebeia</i>
                                             <i>Gentiana plurisetosa</i>
                                                   [Gentiana setigera]
                                             <i>Gentiana pneumonanthe</i>
                                             <i>Gentiana polyantha</i>
                                             <i>Gentiana porphyrio</i>
                                             <i>Gentiana procera</i>
                                             <i>Gentiana producta</i>
                                             <i>Gentiana propinqua</i>
                                               <i>Gentiana propinqua subsp. arctophila</i>
                                               <i>Gentiana propinqua subsp. propinqua</i>
                                             <i>Gentiana prostrata</i>
                                                   [Chondrophylla nutans]
                                                   [Chondrophylla prostrata]
                                                   [Ciminalis prostrata]
                                                   [Ericoila prostrata]
                                                   [Gentiana casapaltensis]
                                                   [Gentiana nutans]
                                                   [Gentiana prostrata var. americana]
                                               <i>Gentiana prostrata var. karelinii</i>
                                                     [Gentiana karelinii]
                                             <i>Gentiana pseudoaquatica</i>
                                             <i>Gentiana puberulenta</i>
                                                   [Gentiana puberula]
                                             <i>Gentiana pubigera</i>
                                             <i>Gentiana pumila</i>
                                             <i>Gentiana pumilio</i>
                                             <i>Gentiana punctata</i>
                                             <i>Gentiana purpurea</i>
                                             <i>Gentiana pyrenaica</i>
                                             <i>Gentiana quadrangularis</i>
                                             <i>Gentiana quadrifaria</i>
                                                   [Gentiana apoensis]
                                             <i>Gentiana quinqueflora</i>
                                               <i>Gentiana quinqueflora var. occidentalis</i>
                                             <i>Gentiana quinquefolia</i>
                                               <i>Gentiana quinquefolia var. amarelloides</i>
                                               <i>Gentiana quinquefolia var. occidentalis</i>
                                               <i>Gentiana quinquefolia var. quinquefolia</i>
                                             <i>Gentiana ramosa</i>
                                             <i>Gentiana raupii</i>
                                                   [Gentiana detonsa var. raupii]
                                             <i>Gentiana riparia</i>
                                             <i>Gentiana rubricaulis</i>
                                                   [Gentiana grayi]
                                             <i>Gentiana salpinx</i>
                                             <i>Gentiana saponaria</i>
                                                   [Dasystephana cherokeensis]
                                                   [Gentiana saponaria var. allegheniensis]
                                                   [Pneumonanthe saponaria]
                                                   [Xolemia trachiloma]
                                               <i>Gentiana saponaria var. latidens</i>
                                               <i>Gentiana saponaria var. linearis</i>
                                               <i>Gentiana saponaria var. saponaria</i>
                                                     [Dasystephana puberula]
                                             <i>Gentiana saxosa</i>
                                             <i>Gentiana scabra</i>
                                               <i>Gentiana scabra var. buergeri</i>
                                             <i>Gentiana scabrida</i>
                                             <i>Gentiana sceptrum</i>
                                               <i>Gentiana sceptrum var. cascadensis</i>
                                               <i>Gentiana sceptrum var. humilis</i>
                                             <i>Gentiana sedifolia</i>
                                             <i>Gentiana septemfida</i>
                                               <i>Gentiana septemfida subsp. grossheimii</i>
                                                     [Gentiana septemfida var. procumbens]
                                               <i>Gentiana septemfida subsp. septemfida</i>
                                                     [Gentiana lagodechiana]
                                                     [Gentiana septemfida var. lagodechiana]
                                                     [Pneumonanthe septemfida]
                                             <i>Gentiana serrata</i>
                                               <i>Gentiana serrata var. grandis</i>
                                               <i>Gentiana serrata var. holopetala</i>
                                             <i>Gentiana sierrae</i>
                                             <i>Gentiana sikokiana</i>
                                             <i>Gentiana sino-ornata</i>
                                             <i>Gentiana spathacea</i>
                                                   [Gentiana ovalis]
                                                   [Gentiana sessaei]
                                                   [Pneumonanthe spathacea]
                                             <i>Gentiana squarrosa</i>
                                             <i>Gentiana stoneana</i>
                                             <i>Gentiana straminea</i>
                                             <i>Gentiana superba</i>
                                             <i>Gentiana taliensis</i>
                                                   [Gentiana heterostemon]
                                             <i>Gentiana tatsienensis</i>
                                             <i>Gentiana tenuifolia</i>
                                             <i>Gentiana thunbergii</i>
                                               <i>Gentiana thunbergii var. minor</i>
                                             <i>Gentiana tianschanica</i>
                                                   [Gentianodes tianschanica]
                                             <i>Gentiana tiogana</i>
                                             <i>Gentiana tonsa</i>
                                                   [Gentiana detonsa var. tonsa]
                                             <i>Gentiana tornezyana</i>
                                             <i>Gentiana tortuosa</i>
                                             <i>Gentiana triflora</i>
                                               <i>Gentiana triflora subsp. japonica</i>
                                                     [Gentiana triflora var. japonica]
                                             <i>Gentiana umbellata</i>
                                             <i>Gentiana utriculosa</i>
                                             <i>Gentiana veitchiorum</i>
                                             <i>Gentiana ventricosa</i>
                                             <i>Gentiana venusta</i>
                                             <i>Gentiana verna</i>
                                               <i>Gentiana verna subsp. delphinensis</i>
                                               <i>Gentiana verna subsp. pontica</i>
                                                     [Gentiana discolor]
                                               <i>Gentiana verna subsp. tergestina</i>
                                                     [Gentiana tergestina]
                                               <i>Gentiana verna subsp. verna</i>
                                                     [Gentiana verna var. elongata]
                                             <i>Gentiana verticillata</i>
                                             <i>Gentiana victorinii</i>
                                             <i>Gentiana villosa</i>
                                                   [Dasystephana deloachii]
                                                   [Gentiana heterophylla]
                                                   [Gentiana ochroleuca]
                                                   [Pneumonanthe villosa]
                                             <i>Gentiana viridula</i>
                                             <i>Gentiana walujewii</i>
                                                   [Gentiana kesselringii]
                                             <i>Gentiana x billingtonii</i>
                                             <i>Gentiana x curtisii</i>
                                             <i>Gentiana x grandilacustris</i>
                                             <i>Gentiana x pallidocyanea</i>
                                             <i>Gentiana zollingeri</i>
                                             <i>Gentiana ×curtisii</i>
                                             <i>Gentiana ×pallidocyanea</i>
                                               <i>Gentiana ovatiloba subsp. chazaroi</i>
                                                     [Gentiana chazaroi]
                                               <i>Gentiana rubicunda subsp. biloba</i>
                                                     [Gentiana bellidifolia]
                                     <i>Gentianella</i>
                                             <i>Gentianella amabilis</i>
                                                   [Gentiana amabilis]
                                             <i>Gentianella amarella</i>
                                                   [Gentiana tenuis]
                                               <i>Gentianella amarella subsp. acuta</i>
                                                     [Amarella acuta]
                                                     [Amarella plebeja var. holmii]
                                                     [Amarella plebeja]
                                                     [Amarella strictiflora]
                                                     [Amarella theiantha var. livida]
                                                     [Gentiana acuta var. plebeja]
                                                     [Gentiana acuta]
                                                     [Gentiana amarella subsp. acuta]
                                                     [Gentiana amarella var. acuta]
                                                     [Gentiana amarella var. amarella]
                                                     [Gentiana amarella var. plebeja]
                                                     [Gentiana amarella var. stricta]
                                                     [Gentiana amarella]
                                                     [Gentiana anisosepala]
                                                     [Gentiana plebeja var. holmii]
                                                     [Gentiana plebeja]
                                                     [Gentiana strictiflora]
                                                     [Gentianella acuta]
                                                     [Gentianella amarella var. acuta]
                                                     [Gentianella amarella var. plebeja]
                                                     [Gentianella clementis]
                                                     [Gentianella plebeja]
                                                     [Gentianella strictiflora]
                                               <i>Gentianella amarella subsp. amarella</i>
                                                     [Gentianella amarella var. amerella]
                                               <i>Gentianella amarella subsp. hartwegii</i>
                                                     [Gentiana hartwegii]
                                                     [Gentianella hartwegii]
                                               <i>Gentianella amarella subsp. heterosepala</i>
                                                     [Amarella scopulorum]
                                                     [Gentiana amarella subsp. heterosepala]
                                                     [Gentiana heterosepala]
                                                     [Gentiana scopulorum]
                                                     [Gentianella amarella var. heterosepala]
                                                     [Gentianella heterosepala subsp. durangensis]
                                                     [Gentianella heterosepala]
                                               <i>Gentianella amarella subsp. mexicana</i>
                                                     [Gentiana mexicana]
                                                     [Gentianella glossocarpa]
                                                     [Gentianella mexicana]
                                               <i>Gentianella amarella var. amarella</i>
                                             <i>Gentianella androsacea</i>
                                             <i>Gentianella anisodonta</i>
                                             <i>Gentianella arenaria</i>
                                             <i>Gentianella aspera</i>
                                             <i>Gentianella atroviolacea</i>
                                                   [Gentiana solidagoides]
                                             <i>Gentianella aurea</i>
                                             <i>Gentianella auriculata</i>
                                                   [Gentiana auriculata]
                                             <i>Gentianella austriaca</i>
                                                   [Gentiana austriaca]
                                             <i>Gentianella azurea</i>
                                                   [Gentiana azurea]
                                             <i>Gentianella bicolor</i>
                                                   [Gentianella stuebelii]
                                             <i>Gentianella bridgesii</i>
                                             <i>Gentianella bulgarica</i>
                                                   [Gentiana bulgarica]
                                             <i>Gentianella calanchoides</i>
                                             <i>Gentianella calycidon</i>
                                             <i>Gentianella campanuliformis</i>
                                                   [Gentiana campanuliformis]
                                             <i>Gentianella campestris</i>
                                               <i>Gentianella campestris subsp. baltica</i>
                                                     [Gentiana baltica]
                                                     [Gentianella baltica]
                                               <i>Gentianella campestris subsp. campestris</i>
                                                     [Gentianella campestris subsp. germanica]
                                               <i>Gentianella campestris subsp. suecica</i>
                                                     [Gentianella campestris var. suecica]
                                             <i>Gentianella canosoi</i>
                                             <i>Gentianella cerastioides</i>
                                                   [Gentiana cerastioides]
                                             <i>Gentianella cernua</i>
                                             <i>Gentianella chlorantha</i>
                                             <i>Gentianella corymbifera</i>
                                               <i>Gentianella corymbifera subsp. corymbifera</i>
                                                     [Gentiana corymbifera]
                                             <i>Gentianella corymbosa</i>
                                             <i>Gentianella cosmantha</i>
                                             <i>Gentianella crassulifolia</i>
                                               <i>Gentianella crassulifolia subsp. hypericoides</i>
                                                     [Gentianella hypericoides]
                                             <i>Gentianella crinita</i>
                                               <i>Gentianella crinita subsp. macounii</i>
                                               <i>Gentianella crinita subsp. nevadensis</i>
                                               <i>Gentianella crinita subsp. procera</i>
                                             <i>Gentianella dacrydioides</i>
                                             <i>Gentianella dasythamna</i>
                                             <i>Gentianella dielsiana</i>
                                                   [Gentiana spectabilis]
                                             <i>Gentianella diemensis</i>
                                             <i>Gentianella divisa</i>
                                                   [Gentiana divisa]
                                             <i>Gentianella ernestii</i>
                                             <i>Gentianella fimbrilinguis</i>
                                             <i>Gentianella foliosa</i>
                                             <i>Gentianella fruticulosa</i>
                                             <i>Gentianella fuscicaule</i>
                                             <i>Gentianella gageoides</i>
                                             <i>Gentianella germanica</i>
                                                   [Gentiana campestris]
                                               <i>Gentianella germanica subsp. germanica</i>
                                                     [Gentiana germanica]
                                                     [Gentiana solstitialis]
                                             <i>Gentianella gracilis</i>
                                             <i>Gentianella hirculus</i>
                                             <i>Gentianella hyssopifolia</i>
                                             <i>Gentianella inaequicalyx</i>
                                             <i>Gentianella kuntzei</i>
                                                   [Gentiana cochabambensis]
                                             <i>Gentianella kusnezowii</i>
                                                   [Gentiana virgata]
                                             <i>Gentianella limoselloides</i>
                                             <i>Gentianella longibarbata</i>
                                             <i>Gentianella magellanica</i>
                                             <i>Gentianella microcalyx</i>
                                                   [Gentiana microcalyx]
                                             <i>Gentianella moorcroftiana</i>
                                             <i>Gentianella multicaulis</i>
                                             <i>Gentianella nevadensis</i>
                                             <i>Gentianella obtusifolia</i>
                                                   [Gentiana sturmiana]
                                             <i>Gentianella occidentalis</i>
                                             <i>Gentianella oreosilene</i>
                                             <i>Gentianella peruviana</i>
                                             <i>Gentianella plebeia</i>
                                             <i>Gentianella praecox</i>
                                               <i>Gentianella praecox subsp. praecox</i>
                                                     [Gentiana carpatica]
                                             <i>Gentianella propinqua</i>
                                               <i>Gentianella propinqua propinqua</i>
                                               <i>Gentianella propinqua ssp. propinqua</i>
                                               <i>Gentianella propinqua subsp. aleutica</i>
                                                     [Gentianella aleutica]
                                               <i>Gentianella propinqua subsp. arctophila</i>
                                               <i>Gentianella propinqua subsp. propinqua</i>
                                                     [Aloitis propinqua]
                                               <i>Gentianella propinqua var. aleutica</i>
                                               <i>Gentianella propinqua var. propinqua</i>
                                             <i>Gentianella pseudocrassula</i>
                                                   [Gentianella clarenii]
                                             <i>Gentianella punicea</i>
                                             <i>Gentianella quinquefolia</i>
                                                   [Gentianella quinquefolia var. quinquefolia]
                                               <i>Gentianella quinquefolia quinquefolia</i>
                                               <i>Gentianella quinquefolia subsp. occidentalis</i>
                                                     [Gentianella quinquefolia var. occidentalis]
                                               <i>Gentianella quinquefolia subsp. quinquefolia</i>
                                                     [Gentiana amarelloides]
                                             <i>Gentianella ramosa</i>
                                             <i>Gentianella rapunculoides</i>
                                             <i>Gentianella rhaetica</i>
                                                   [Gentiana stiriaca]
                                             <i>Gentianella riojae</i>
                                             <i>Gentianella ruizii</i>
                                             <i>Gentianella sandiana</i>
                                             <i>Gentianella saxifragoides</i>
                                             <i>Gentianella selaginifolia</i>
                                             <i>Gentianella tarahumarae</i>
                                             <i>Gentianella tortuosa</i>
                                             <i>Gentianella totorensis</i>
                                                   [Gentiana totorensis]
                                             <i>Gentianella transalaica</i>
                                             <i>Gentianella turkestanorum</i>
                                                   [Gentiana turkestanorum]
                                             <i>Gentianella uliginosa</i>
                                                   [Gentiana uliginosa]
                                             <i>Gentianella wislizeni</i>
                                                   [Gentiana wislizeni]
                                                   [Gentianella wislizenii]
                                             <i>Gentianella wrightii</i>
                                                   [Gentiana townsendii]
                                                   [Gentiana wrightii]
                                                   [Gentianella amarella subsp. wrightii]
                                     <i>Gentianodes</i>
                                             <i>Gentianodes glauca</i>
                                     <i>Gentianopsis</i>
                                             <i>Gentianopsis barbata</i>
                                               <i>Gentianopsis barbata subsp. raupii</i>
                                               <i>Gentianopsis barbata var. stenocalyx</i>
                                             <i>Gentianopsis barbellata</i>
                                                   [Gentiana barbellata]
                                                   [Gentianella barbellata]
                                             <i>Gentianopsis ciliata</i>
                                               <i>Gentianopsis ciliata subsp. ciliata</i>
                                                     [Gentianella ciliata]
                                             <i>Gentianopsis crinita</i>
                                             <i>Gentianopsis detonsa</i>
                                               <i>Gentianopsis detonsa subsp. detonsa</i>
                                                     [Gentiana barbata]
                                                     [Gentiana detonsa var. groenlandica]
                                                     [Gentiana detonsa]
                                                     [Gentiana richardsonii]
                                                     [Gentianella detonsa subsp. nesophila]
                                                     [Gentianella detonsa subsp. raupii]
                                                     [Gentianella detonsa subsp. yukonensis]
                                                     [Gentianella detonsa]
                                               <i>Gentianopsis detonsa subsp. nesophila</i>
                                               <i>Gentianopsis detonsa subsp. raupii</i>
                                               <i>Gentianopsis detonsa subsp. yukonensis</i>
                                               <i>Gentianopsis detonsa var. detonsa</i>
                                             <i>Gentianopsis holopetala</i>
                                                   [Gentiana holopetala]
                                                   [Gentianella detonsa subsp. holopetala]
                                             <i>Gentianopsis lanceolata</i>
                                                   [Gentiana lanceolata]
                                             <i>Gentianopsis macounii</i>
                                             <i>Gentianopsis macrantha</i>
                                                   [Gentiana grandis]
                                                   [Gentiana macrantha]
                                                   [Gentianella detonsa subsp. superba]
                                             <i>Gentianopsis nesophila</i>
                                             <i>Gentianopsis paludosa</i>
                                               <i>Gentianopsis paludosa var. ovatodeltoidea</i>
                                                     [Gentianopsis scabromarginata]
                                               <i>Gentianopsis paludosa var. paludosa</i>
                                             <i>Gentianopsis raupii</i>
                                             <i>Gentianopsis simplex</i>
                                                   [Gentiana simplex]
                                                   [Gentianella simplex]
                                             <i>Gentianopsis thermalis</i>
                                                   [Gentiana detonsa var. unicaulis]
                                                   [Gentiana elegans var. unicaulis]
                                                   [Gentiana elegans]
                                                   [Gentiana thermalis]
                                                   [Gentianella detonsa subsp. elegans]
                                                   [Gentianella detonsa var. elegans]
                                                   [Gentianopsis detonsa var. elegans]
                                                   [Gentianopsis elegans]
                                             <i>Gentianopsis virgata</i>
                                                   [Anthopogon virgatus]
                                                   [Gentianopsis crinita subsp. procera]
                                               <i>Gentianopsis virgata subsp. macounii</i>
                                                     [Gentianopsis procera subsp. macounii]
                                               <i>Gentianopsis virgata subsp. victorinii</i>
                                                     [Gentianella crinita subsp. victorinii]
                                                     [Gentianopsis procera var. victorinii]
                                                     [Gentianopsis victorinii]
                                               <i>Gentianopsis virgata subsp. virgata</i>
                                                     [Gentianopsis procera var. procera]
                                                     [Gentianopsis procera]
                                     <i>Gyrandra</i>
                                             <i>Gyrandra blumbergiana</i>
                                             <i>Gyrandra brachycalyx</i>
                                             <i>Gyrandra chironioides</i>
                                                   [Erythraea macrantha]
                                             <i>Gyrandra pauciflora</i>
                                                   [Centaurium pauciflorum]
                                                   [Centaurium rosans]
                                             <i>Gyrandra pterocaulis</i>
                                                   [Centaurium pterocaule]
                                             <i>Gyrandra tenuifolia</i>
                                                   [Centaurium speciosum]
                                     <i>Halenia</i>
                                             <i>Halenia adpressa</i>
                                             <i>Halenia alata</i>
                                             <i>Halenia alleniana</i>
                                             <i>Halenia aquilegiella</i>
                                             <i>Halenia asclepiadea</i>
                                             <i>Halenia brevicornis</i>
                                                   [Halenia brevicornis var. divergens]
                                                   [Halenia brevicornis var. latifolia]
                                                   [Halenia brevicornis var. micranthella]
                                                   [Halenia micranthella]
                                                   [Halenia parviflora]
                                                   [Halenia tuerckheimii]
                                                   [Swertia parviflora]
                                               <i>Halenia brevicornis var. chihuahuensis</i>
                                               <i>Halenia brevicornis var. multiflora</i>
                                             <i>Halenia conzattii</i>
                                             <i>Halenia corniculata</i>
                                             <i>Halenia crassiuscula</i>
                                             <i>Halenia crumiana</i>
                                             <i>Halenia decumbens</i>
                                                   [Halenia caleoides]
                                                   [Halenia guatemalensis]
                                                   [Halenia longicornu]
                                                   [Halenia plantaginea var. latifolia]
                                                   [Halenia platyphylla]
                                                   [Halenia shannonii]
                                             <i>Halenia deflexa</i>
                                                   [Halenia deflexa subsp. brentoniana]
                                                   [Halenia deflexa var. brentoniana]
                                                   [Halenia deflexa var. deflexa]
                                                   [Tetragonanthus deflexus]
                                               <i>Halenia deflexa subsp. deflexa</i>
                                             <i>Halenia elata</i>
                                                   [Halenia foliosa]
                                                   [Halenia hygrophila]
                                             <i>Halenia elliptica</i>
                                               <i>Halenia elliptica var. elliptica</i>
                                               <i>Halenia elliptica var. grandiflora</i>
                                             <i>Halenia euryphylla</i>
                                             <i>Halenia hintoni</i>
                                             <i>Halenia hintonii</i>
                                             <i>Halenia hypericoides</i>
                                             <i>Halenia mathewsii</i>
                                             <i>Halenia multiflora</i>
                                             <i>Halenia nudicaulis</i>
                                             <i>Halenia palmeri</i>
                                             <i>Halenia plantaginea</i>
                                                   [Halenia plantaginea f. grandiflora]
                                                   [Halenia purpusii]
                                                   [Swertia plantaginea]
                                             <i>Halenia pringlei</i>
                                             <i>Halenia pulchella</i>
                                             <i>Halenia purdieana</i>
                                             <i>Halenia pusilla</i>
                                             <i>Halenia recurva</i>
                                                   [Swertia recurva]
                                             <i>Halenia rhyacophila</i>
                                                   [Halenia woodsoniana]
                                             <i>Halenia robusta</i>
                                             <i>Halenia rothrockii</i>
                                             <i>Halenia schiedeana</i>
                                                   [Halenia chlorantha]
                                             <i>Halenia spatulata</i>
                                             <i>Halenia taruga-gasso</i>
                                             <i>Halenia umbellata</i>
                                             <i>Halenia venezuelensis</i>
                                             <i>Halenia vincetoxicoides</i>
                                             <i>Halenia viridis</i>
                                                   [Gentiana viridis]
                                             <i>Halenia weddelliana</i>
                                                   [Halenia meyeri-johannis]
                                     <i>Helia</i>
                                             <i>Helia auriculata</i>
                                                   [Lisianthius auriculatus]
                                     <i>Hippion</i>
                                     <i>Hockinia</i>
                                             <i>Hockinia montana</i>
                                     <i>Hoppea</i>
                                             <i>Hoppea dichotoma</i>
                                     <i>Irlbachia</i>
                                             <i>Irlbachia frigida</i>
                                             <i>Irlbachia nemorosa</i>
                                             <i>Irlbachia oblongifolia</i>
                                             <i>Irlbachia pedunculata</i>
                                                   [Calolisianthus pedunculatus]
                                             <i>Irlbachia pumila</i>
                                             <i>Irlbachia speciosa</i>
                                                   [Calolisianthus speciosus]
                                     <i>Ixanthus</i>
                                             <i>Ixanthus viscosus</i>
                                     <i>Jaeschkea</i>
                                             <i>Jaeschkea canaliculata</i>
                                                   [Jaeschkea latisepala]
                                             <i>Jaeschkea oligosperma</i>
                                     <i>Karina</i>
                                             <i>Karina tayloriana</i>
                                     <i>Lagenanthus</i>
                                             <i>Lagenanthus princeps</i>
                                                   [Lisianthius princeps]
                                     <i>Lapithea</i>
                                             <i>Lapithea boykinii</i>
                                             <i>Lapithea capitata</i>
                                             <i>Lapithea gentianoides</i>
                                     <i>Lehmanniella</i>
                                             <i>Lehmanniella pulchra</i>
                                             <i>Lehmanniella splendens</i>
                                     <i>Leianthus</i>
                                     <i>Leiphaimos</i>
                                             <i>Leiphaimos aphylla</i>
                                             <i>Leiphaimos parasitica</i>
                                             <i>Leiphaimos portoricensis</i>
                                     <i>Leucocraspedum</i>
                                             <i>Leucocraspedum albicaule</i>
                                             <i>Leucocraspedum montanum</i>
                                     <i>Lisianthius</i>
                                             <i>Lisianthius aurantiacus</i>
                                             <i>Lisianthius axillaris</i>
                                                   [Lisianthus axillaris]
                                             <i>Lisianthius cordifolius</i>
                                             <i>Lisianthius cuspidatus</i>
                                                   [Lisianthus cuspidatus]
                                             <i>Lisianthius exsertus</i>
                                             <i>Lisianthius latifolius</i>
                                             <i>Lisianthius laxiflorus</i>
                                                   [Lisianthus laxiflorus]
                                             <i>Lisianthius longifolius</i>
                                             <i>Lisianthius nigrescens</i>
                                                   [Lisianthus nigrescens]
                                               <i>Lisianthius nigrescens var. chiapensis</i>
                                               <i>Lisianthius nigrescens var. nigrescens</i>
                                             <i>Lisianthius oreopolus</i>
                                             <i>Lisianthius peduncularis</i>
                                             <i>Lisianthius quichensis</i>
                                                   [Lisianthus quichensis]
                                             <i>Lisianthius russellianus</i>
                                                   [Lisianthus russellianus]
                                             <i>Lisianthius saponarioides</i>
                                                   [Lisianthus saponarioides]
                                             <i>Lisianthius seemannii</i>
                                             <i>Lisianthius umbellatus</i>
                                             <i>Lisianthius weaveri</i>
                                     <i>Lisianthus</i>
                                             <i>Lisianthus aurantiacus</i>
                                             <i>Lisianthus brevidentatus</i>
                                             <i>Lisianthus corymbosus</i>
                                             <i>Lisianthus exsertus</i>
                                             <i>Lisianthus glandulosus</i>
                                             <i>Lisianthus longifolius</i>
                                                   [Leianthus longifolius var. gracilis]
                                                   [Leianthus longifolius]
                                             <i>Lisianthus silenifolius</i>
                                                   [Leianthus silenifolius]
                                     <i>Lomatogonium</i>
                                             <i>Lomatogonium bellum</i>
                                             <i>Lomatogonium brachyantherum</i>
                                                   [Lomatogonium thomsonii]
                                             <i>Lomatogonium caeruleum</i>
                                                   [Swertia caerulea]
                                                   [Swertia coerulea]
                                             <i>Lomatogonium carinthiacum</i>
                                                   [Pleurogyne carinthiaca]
                                             <i>Lomatogonium rotatum</i>
                                                   [Lomatogonium rotatum subsp. tenuifolium]
                                                   [Lomatogonium rotatum var. rotatum]
                                                   [Pleurogyne rotata]
                                               <i>Lomatogonium rotatum subsp. rotatum</i>
                                                     [Lomatogonium rotatum var. fontanum]
                                     <i>Macrocarpaea</i>
                                             <i>Macrocarpaea acuminata</i>
                                             <i>Macrocarpaea affinis</i>
                                             <i>Macrocarpaea apparata</i>
                                             <i>Macrocarpaea auriculata</i>
                                             <i>Macrocarpaea bangiana</i>
                                             <i>Macrocarpaea bracteata</i>
                                             <i>Macrocarpaea calophylla</i>
                                             <i>Macrocarpaea cinchonifolia</i>
                                                   [Rusbyanthus cinchonifolius]
                                             <i>Macrocarpaea domingensis</i>
                                             <i>Macrocarpaea glabra</i>
                                             <i>Macrocarpaea jalca</i>
                                             <i>Macrocarpaea lenae</i>
                                             <i>Macrocarpaea macrophylla</i>
                                             <i>Macrocarpaea maguirei</i>
                                             <i>Macrocarpaea micrantha</i>
                                             <i>Macrocarpaea nicotianifolia</i>
                                             <i>Macrocarpaea noctiluca</i>
                                             <i>Macrocarpaea obtusifolia</i>
                                             <i>Macrocarpaea papillosa</i>
                                             <i>Macrocarpaea pinetorum</i>
                                             <i>Macrocarpaea pringleana</i>
                                             <i>Macrocarpaea rubra</i>
                                             <i>Macrocarpaea sodiroana</i>
                                             <i>Macrocarpaea thamnoides</i>
                                                   [Lisianthus thamnoides]
                                                   [Macrocarpaea hartii]
                                             <i>Macrocarpaea valerii</i>
                                             <i>Macrocarpaea valerioi</i>
                                             <i>Macrocarpaea weaveri</i>
                                     <i>Metagentiana</i>
                                             <i>Metagentiana rhodantha</i>
                                                   [Gentiana rhodantha]
                                     <i>Microcala</i>
                                             <i>Microcala quadrangularis</i>
                                     <i>Microrphium</i>
                                             <i>Microrphium pubescens</i>
                                     <i>Monobothrium</i>
                                     <i>Monodiella</i>
                                     <i>Neurotheca</i>
                                             <i>Neurotheca congolana</i>
                                                   [Neurotheca baumii]
                                                   [Neurotheca schlechteri]
                                                   [Octopleura loeselioides var. grandiflora]
                                             <i>Neurotheca corymbosa</i>
                                                   [Neurotheca exacoides]
                                             <i>Neurotheca loeselioides</i>
                                               <i>Neurotheca loeselioides subsp. loeselioides</i>
                                                     [Octopleura loeselioides]
                                               <i>Neurotheca loeselioides subsp. robusta</i>
                                                     [Neurotheca robusta]
                                                     [Neurotheca rupicola]
                                     <i>Obolaria</i>
                                             <i>Obolaria virginica</i>
                                     <i>Octopleura</i>
                                     <i>Ophelia</i>
                                     <i>Oreonesion</i>
                                             <i>Oreonesion testui</i>
                                     <i>Ornichia</i>
                                             <i>Ornichia trinervis</i>
                                     <i>Orphium</i>
                                             <i>Orphium frutescens</i>
                                                   [Chironia frutescens]
                                     <i>Pagaea</i>
                                     <i>Parasia</i>
                                     <i>Picrophloeus</i>
                                             <i>Picrophloeus javanensis</i>
                                                   [Fagraea elliptica]
                                     <i>Pleurogyna</i>
                                             <i>Pleurogyna rotata</i>
                                     <i>Pleurogyne</i>
                                             <i>Pleurogyne fontana</i>
                                     <i>Pneumonanthe</i>
                                             <i>Pneumonanthe andrewsii</i>
                                             <i>Pneumonanthe calycosa</i>
                                             <i>Pneumonanthe newberryi</i>
                                             <i>Pneumonanthe oregana</i>
                                             <i>Pneumonanthe sceptrum</i>
                                             <i>Pneumonanthe setigera</i>
                                     <i>Potalia</i>
                                             <i>Potalia amara</i>
                                             <i>Potalia resinifera</i>
                                             <i>Potalia turbinata</i>
                                     <i>Prepusa</i>
                                             <i>Prepusa hookeriana</i>
                                     <i>Pycnosphaera</i>
                                             <i>Pycnosphaera buchananii</i>
                                                   [Faroa buchananii]
                                                   [Pycnosphaera gracilis]
                                                   [Pycnosphaera quarrei]
                                                   [Pycnosphaera trimera]
                                                   [Pycnosphaera vanderysti]
                                     <i>Sabatia</i>
                                             <i>Sabatia alainii</i>
                                             <i>Sabatia angularis</i>
                                                   [Sabatia angularis f. albiflora]
                                               <i>Sabatia angularis var. albiflora</i>
                                             <i>Sabatia arenicola</i>
                                             <i>Sabatia arkansana</i>
                                             <i>Sabatia bartramii</i>
                                                   [Chironia decandra]
                                             <i>Sabatia boykinii</i>
                                             <i>Sabatia brachiata</i>
                                                   [Sabatia angustifolia]
                                             <i>Sabatia brevifolia</i>
                                             <i>Sabatia calycina</i>
                                                   [Sabatia cubensis]
                                                   [Sabatia gracilis var. cubensis]
                                             <i>Sabatia calycosa</i>
                                             <i>Sabatia campanulata</i>
                                               <i>Sabatia campanulata var. gracilis</i>
                                               <i>Sabatia campanulata var. grandiflora</i>
                                             <i>Sabatia campestris</i>
                                                   <i>Sabatia campestris f. albiflora</i>
                                             <i>Sabatia capitata</i>
                                             <i>Sabatia carnosa</i>
                                             <i>Sabatia chloroides</i>
                                               <i>Sabatia chloroides var. coriacea</i>
                                             <i>Sabatia corymbosa</i>
                                             <i>Sabatia decandra</i>
                                             <i>Sabatia difformis</i>
                                                   [Sabatia corymbosa var. angustifolia]
                                             <i>Sabatia dodecandra</i>
                                               <i>Sabatia dodecandra var. coriacea</i>
                                               <i>Sabatia dodecandra var. dodecandra</i>
                                               <i>Sabatia dodecandra var. foliosa</i>
                                               <i>Sabatia dodecandra var. kennedyana</i>
                                             <i>Sabatia elliottii</i>
                                             <i>Sabatia foliosa</i>
                                             <i>Sabatia formosa</i>
                                             <i>Sabatia gentianoides</i>
                                             <i>Sabatia gracilis</i>
                                               <i>Sabatia gracilis var. grandiflora</i>
                                             <i>Sabatia grandiflora</i>
                                             <i>Sabatia harperi</i>
                                             <i>Sabatia kennedyana</i>
                                             <i>Sabatia lanceolata</i>
                                             <i>Sabatia macrophylla</i>
                                               <i>Sabatia macrophylla var. macrophylla</i>
                                               <i>Sabatia macrophylla var. recurvans</i>
                                             <i>Sabatia maculata</i>
                                             <i>Sabatia obtusata</i>
                                             <i>Sabatia palmeri</i>
                                             <i>Sabatia paniculata</i>
                                               <i>Sabatia paniculata var. elliottii</i>
                                             <i>Sabatia purpusii</i>
                                             <i>Sabatia quadrangula</i>
                                             <i>Sabatia recurvans</i>
                                             <i>Sabatia simulata</i>
                                             <i>Sabatia stellaris</i>
                                             <i>Sabatia tuberculata</i>
                                             <i>Sabatia × brachiata</i>
                                     <i>Sabbatia</i>
                                             <i>Sabbatia angularis</i>
                                             <i>Sabbatia campestris</i>
                                             <i>Sabbatia dodecandra</i>
                                             <i>Sabbatia lanceolata</i>
                                             <i>Sabbatia stellaris</i>
                                     <i>Schenkia</i>
                                             <i>Schenkia australis</i>
                                                   [Erythraea australis]
                                             <i>Schenkia japonica</i>
                                             <i>Schenkia sebaeoides</i>
                                             <i>Schenkia spicata</i>
                                                   [Erythraea pickeringii]
                                                   [Erythraea spicata]
                                     <i>Schinziella</i>
                                             <i>Schinziella tetragona</i>
                                                   [Canscora tetragona]
                                                   [Schinziella tetragona var. parviflora]
                                     <i>Schultesia</i>
                                             <i>Schultesia benthamiana</i>
                                             <i>Schultesia brachyptera</i>
                                             <i>Schultesia crenuliflora</i>
                                             <i>Schultesia gracilis</i>
                                             <i>Schultesia guianensis</i>
                                                   [Schultesia chiapensis]
                                                   [Schultesia mexicana]
                                             <i>Schultesia heterophylla</i>
                                                   [Schultesia hayesii]
                                             <i>Schultesia pachyphylla</i>
                                             <i>Schultesia pohliana</i>
                                             <i>Schultesia stenophylla</i>
                                               <i>Schultesia stenophylla var. latifolia</i>
                                                     [Schultesia senegalensis]
                                     <i>Sebaea</i>
                                           [Lagenias]
                                             <i>Sebaea albidiflora</i>
                                             <i>Sebaea ambigua</i>
                                             <i>Sebaea aurea</i>
                                             <i>Sebaea baumiana</i>
                                                   [Belmontia baumiana]
                                             <i>Sebaea bojeri</i>
                                                   [Sebaea mirabilis]
                                                   [Sebaea pratensis]
                                                   [Sebaea saccata]
                                             <i>Sebaea brachyphylla</i>
                                                   [Sebaea baumii]
                                                   [Sebaea butaguensis]
                                                   [Sebaea multinodis]
                                                   [Sebaea schimperiana]
                                             <i>Sebaea chironioides</i>
                                             <i>Sebaea elongata</i>
                                             <i>Sebaea exacoides</i>
                                                   [Belmontia cordata]
                                                   [Sebaea cordata]
                                             <i>Sebaea filiformis</i>
                                             <i>Sebaea grandis</i>
                                             <i>Sebaea grisebachiana</i>
                                                   [Sebaea macrostigma]
                                             <i>Sebaea junodii</i>
                                             <i>Sebaea leiostyla</i>
                                                   [Sebaea bequaertii]
                                                   [Sebaea polyantha]
                                                   [Sebaea transvaalensis]
                                             <i>Sebaea longicaulis</i>
                                                   [Sebaea erecta]
                                                   [Sebaea macrosepala]
                                                   [Sebaea oreophila]
                                                   [Sebaea woodii]
                                             <i>Sebaea microphylla</i>
                                                   [Cicendia microphylla]
                                                   [Sebaea welwitschii]
                                             <i>Sebaea minutiflora</i>
                                             <i>Sebaea monantha</i>
                                             <i>Sebaea ovata</i>
                                             <i>Sebaea pentandra</i>
                                               <i>Sebaea pentandra var. burchellii</i>
                                                     [Sebaea barbeyana]
                                                     [Sebaea burchellii]
                                                     [Sebaea conrathii]
                                                     [Sebaea dinteri]
                                             <i>Sebaea perpusilla</i>
                                             <i>Sebaea pusilla</i>
                                                   [Lagenias pusillus]
                                             <i>Sebaea schlechteri</i>
                                             <i>Sebaea sedoides</i>
                                               <i>Sebaea sedoides var. confertiflora</i>
                                                     [Sebaea confertiflora]
                                     <i>Swertia</i>
                                             <i>Swertia F1 hybrid</i>
                                             <i>Swertia abyssinica</i>
                                                   [Swertia brevipedicellata]
                                                   [Swertia clarenceana]
                                                   [Swertia dissimilis]
                                                   [Swertia erythraea]
                                                   [Swertia lastii]
                                                   [Swertia porphyrantha]
                                                   [Swertia subalpina]
                                                   [Swertia wellbyi]
                                             <i>Swertia adolfi-friderici</i>
                                                   [Swertia mildbraedii]
                                             <i>Swertia alata</i>
                                             <i>Swertia albicaulis</i>
                                               <i>Swertia albicaulis albicaulis</i>
                                               <i>Swertia albicaulis var. albicaulis</i>
                                               <i>Swertia albicaulis var. columbiana</i>
                                               <i>Swertia albicaulis var. cusickii</i>
                                               <i>Swertia albicaulis var. idahoensis</i>
                                               <i>Swertia albicaulis var. nitida</i>
                                             <i>Swertia alternifolia</i>
                                             <i>Swertia angustifolia</i>
                                               <i>Swertia angustifolia var. pulchella</i>
                                                     [Ophelia pulchella]
                                                     [Swertia pulchella]
                                             <i>Swertia bigelowii</i>
                                             <i>Swertia bimaculata</i>
                                               <i>Swertia bimaculata subsp. tozanensis</i>
                                                     [Swertia tozanensis]
                                             <i>Swertia brownii</i>
                                             <i>Swertia calycina</i>
                                             <i>Swertia ciliata</i>
                                                   [Swertia purpurascens]
                                             <i>Swertia coloradensis</i>
                                             <i>Swertia columbiana</i>
                                             <i>Swertia congesta</i>
                                             <i>Swertia cordata</i>
                                                   [Ophelia cordata]
                                             <i>Swertia corniculata</i>
                                             <i>Swertia covillei</i>
                                             <i>Swertia crassiuscula</i>
                                               <i>Swertia crassiuscula subsp. crassiuscula</i>
                                               <i>Swertia crassiuscula subsp. crassiuscula var. crassiuscula</i>
                                               <i>Swertia crassiuscula subsp. crassiuscula var. leucantha</i>
                                               <i>Swertia crassiuscula subsp. robusta</i>
                                               <i>Swertia crassiuscula var. crassiuscula</i>
                                                     [Swertia duemmeriana]
                                                     [Swertia granvikii]
                                                     [Swertia mearnsii]
                                                     [Swertia sattimae]
                                               <i>Swertia crassiuscula var. leucantha</i>
                                                     [Swertia leucantha]
                                                     [Swertia parnassiiflora]
                                             <i>Swertia cuneata</i>
                                             <i>Swertia cusickii</i>
                                             <i>Swertia dichotoma</i>
                                                   [Anagallidium dichotomum]
                                             <i>Swertia diluta</i>
                                                   [Swertia chinensis]
                                             <i>Swertia eastwoodiae</i>
                                             <i>Swertia eminii</i>
                                                   [Swertia tshitirungensis]
                                             <i>Swertia engleri</i>
                                               <i>Swertia engleri var. engleri</i>
                                               <i>Swertia engleri var. woodii</i>
                                                     [Swertia woodii]
                                             <i>Swertia fastigiata</i>
                                             <i>Swertia filicaulis</i>
                                             <i>Swertia fimbriata</i>
                                                   [Monobothrium schimperi]
                                                   [Ophelia fimbriata]
                                                   [Swertia johnsonii]
                                                   [Swertia schimperi]
                                             <i>Swertia fritillaria</i>
                                             <i>Swertia gypsicola</i>
                                             <i>Swertia iberica</i>
                                             <i>Swertia idahoensis</i>
                                             <i>Swertia intermixta</i>
                                             <i>Swertia japonica</i>
                                             <i>Swertia javanica</i>
                                             <i>Swertia kilimandscharica</i>
                                                   [Swertia aberdarica]
                                                   [Swertia erosula]
                                                   [Swertia gentianifolia]
                                                   [Swertia janssensii]
                                                   [Swertia lovenii]
                                                   [Swertia silenifolia]
                                             <i>Swertia lactea</i>
                                             <i>Swertia lassenica</i>
                                             <i>Swertia lugardiae</i>
                                             <i>Swertia macrosepala</i>
                                               <i>Swertia macrosepala subsp. macrosepala</i>
                                               <i>Swertia macrosepala subsp. microsperma</i>
                                             <i>Swertia macrosperma</i>
                                                   [Swertia randaiensis]
                                             <i>Swertia mannii</i>
                                             <i>Swertia marginata</i>
                                             <i>Swertia mattirolii</i>
                                             <i>Swertia minima</i>
                                             <i>Swertia montana</i>
                                             <i>Swertia multicaulis</i>
                                             <i>Swertia neglecta</i>
                                             <i>Swertia nervosa</i>
                                             <i>Swertia nitida</i>
                                               <i>Swertia nitida subsp. cusickii</i>
                                             <i>Swertia occidentalis</i>
                                             <i>Swertia palustris</i>
                                             <i>Swertia paniculata</i>
                                             <i>Swertia parallela</i>
                                             <i>Swertia perennis</i>
                                                   [Swertia obtusa]
                                                   [Swertia perennis var. obtusa]
                                               <i>Swertia perennis subsp. perennis</i>
                                                     [Swertia alpestris]
                                             <i>Swertia petitiana</i>
                                             <i>Swertia pleurogynoides</i>
                                                   [Swertia heterosepala]
                                             <i>Swertia pseudochinensis</i>
                                             <i>Swertia puberulenta</i>
                                             <i>Swertia pumila</i>
                                             <i>Swertia punicea</i>
                                             <i>Swertia quartiniana</i>
                                                   [Swertia fwambensis]
                                             <i>Swertia richardii</i>
                                             <i>Swertia scandens</i>
                                             <i>Swertia schliebenii</i>
                                             <i>Swertia scopulina</i>
                                             <i>Swertia scottii</i>
                                             <i>Swertia shintenensis</i>
                                             <i>Swertia souliei</i>
                                                   [Ophelia corymbosa]
                                             <i>Swertia speciosa</i>
                                                   [Swertia petiolata]
                                               <i>Swertia speciosa var. perfoliata</i>
                                                     [Swertia perfoliata]
                                             <i>Swertia squamigera</i>
                                             <i>Swertia subnivalis</i>
                                             <i>Swertia tashiroi</i>
                                             <i>Swertia teres</i>
                                                   [Swertia racemosa]
                                             <i>Swertia tetrandra</i>
                                             <i>Swertia tetrapetala</i>
                                             <i>Swertia tischeri</i>
                                                   [Swertia ellenbeckiana]
                                             <i>Swertia tubulosa</i>
                                             <i>Swertia umpquaensis</i>
                                             <i>Swertia uniflora</i>
                                             <i>Swertia usambarensis</i>
                                               <i>Swertia usambarensis var. curtioides</i>
                                                     [Swertia curtioides]
                                               <i>Swertia usambarensis var. usambarensis</i>
                                                     [Swertia polyantha]
                                                     [Swertia whytei]
                                             <i>Swertia volkensii</i>
                                               <i>Swertia volkensii var. baleensis</i>
                                               <i>Swertia volkensii var. volkensii</i>
                                                     [Swertia keniensis]
                                             <i>Swertia watsonii</i>
                                             <i>Swertia welwitschii</i>
                                                   [Adenopogon stellarioides]
                                                   [Swertia sharpei]
                                                   [Swertia stellarioides]
                                             <i>Swertia wojeratensis</i>
                                     <i>Symbolanthus</i>
                                             <i>Symbolanthus anomalus</i>
                                             <i>Symbolanthus brittonianus</i>
                                                   [Symbolanthus rusbyanus]
                                             <i>Symbolanthus calygonus</i>
                                                   [Lisianthus calygonus]
                                             <i>Symbolanthus condorensis</i>
                                             <i>Symbolanthus elisabethae</i>
                                             <i>Symbolanthus incaicus</i>
                                             <i>Symbolanthus jasonii</i>
                                             <i>Symbolanthus latifolius</i>
                                             <i>Symbolanthus magnificus</i>
                                             <i>Symbolanthus mathewsii</i>
                                             <i>Symbolanthus pulcherrimus</i>
                                             <i>Symbolanthus solaris</i>
                                             <i>Symbolanthus stuebelii</i>
                                             <i>Symbolanthus tricolor</i>
                                             <i>Symbolanthus vasculosus</i>
                                     <i>Tachia</i>
                                             <i>Tachia guianensis</i>
                                             <i>Tachia occidentalis</i>
                                             <i>Tachia parviflora</i>
                                             <i>Tachia schomburgkiana</i>
                                     <i>Tachiadenus</i>
                                             <i>Tachiadenus carinatus</i>
                                     <i>Tapeinostemon</i>
                                             <i>Tapeinostemon longiflorum</i>
                                             <i>Tapeinostemon spenneroides</i>
                                             <i>Tapeinostemon zamoranum</i>
                                     <i>Tesseranthium</i>
                                     <i>Tetragonanthus</i>
                                             <i>Tetragonanthus rothrockii</i>
                                     <i>Tetrapollinia</i>
                                     <i>Tripterospermum</i>
                                             <i>Tripterospermum cordatum</i>
                                                   [Gentiana cordata]
                                             <i>Tripterospermum fasciculatum</i>
                                                   [Crawfurdia affinis]
                                                   [Tripterospermum affine]
                                             <i>Tripterospermum lanceolatum</i>
                                             <i>Tripterospermum taiwanense</i>
                                             <i>Tripterospermum trinervium</i>
                                                   [Crawfurdia japonica]
                                                   [Tripterospermum japonicum var. involubile]
                                                   [Tripterospermum japonicum]
                                             <i>Tripterospermum volubile</i>
                                               <i>Tripterospermum volubile subsp. volubile</i>
                                                     [Tripterospermum luteoviride]
                                     <i>Urananthus</i>
                                             <i>Urananthus glaucifolius</i>
                                     <i>Urogentias</i>
                                             <i>Urogentias ulugurensis</i>
                                     <i>Utania</i>
                                             <i>Utania racemosa</i>
                                                   [Fagraea racemosa]
                                             <i>Utania spicata</i>
                                                   [Fagraea spicata]
                                             <i>Utania volubilis</i>
                                                   [Fagraea pendula]
                                     <i>Veratrilla</i>
                                             <i>Veratrilla baillonii</i>
                                     <i>Voyria</i>
                                             <i>Voyria acuminata</i>
                                             <i>Voyria aphylla</i>
                                                   [Leiphaimos lutea]
                                             <i>Voyria aurantiaca</i>
                                               <i>Voyria aurantiaca subsp. aurantiaca</i>
                                                     [Leiphaimos stenoloba]
                                                     [Leiphaimos thalesioides]
                                             <i>Voyria corymbosa</i>
                                                   [Leiphaimos nivea]
                                             <i>Voyria flavescens</i>
                                             <i>Voyria mexicana</i>
                                             <i>Voyria parasitica</i>
                                             <i>Voyria pittieri</i>
                                                   [Leiphaimos pittieri]
                                             <i>Voyria primuloides</i>
                                                   [Leiphaimos platypetala]
                                                   [Leiphaimos primuloides]
                                                   [Voyria platypetala]
                                             <i>Voyria pulcherrima</i>
                                                   [Leiphaimos pulcherrimus]
                                             <i>Voyria spruceana</i>
                                             <i>Voyria tenella</i>
                                                   [Voyria brachyloba]
                                                   [Voyria disadenantha]
                                             <i>Voyria truncata</i>
                                                   [Voyria allenii]
                                     <i>Voyriella</i>
                                             <i>Voyriella parviflora</i>
                                     <i>Xestaea</i>
                                             <i>Xestaea lisianthoides</i>
                                                   [Schultesia lisianthoides]
                                     <i>Zeltnera</i>
                                             <i>Zeltnera abramsii</i>
                                                   [Centaurium venustum subsp. abramsii]
                                             <i>Zeltnera arizonica</i>
                                                   [Centaurium arizonicum]
                                                   [Centaurium calycosum var. arizonicum]
                                             <i>Zeltnera beyrichii</i>
                                                   [Centaurium beyrichii beyrichii]
                                                   [Centaurium beyrichii var. beyrichii]
                                                   [Centaurium beyrichii]
                                             <i>Zeltnera breviflora</i>
                                             <i>Zeltnera calycosa</i>
                                                   [Centaurium breviflorum]
                                                   [Centaurium calycosum var. breviflorum]
                                                   [Centaurium calycosum var. calycosum]
                                                   [Centaurium calycosum var. nana]
                                                   [Centaurium calycosum var. nanum]
                                                   [Centaurium calycosum]
                                                   [Erythraea calycosa var. arizonica]
                                                   [Erythraea calycosa var. nana]
                                                   [Erythraea calycosa]
                                             <i>Zeltnera davyi</i>
                                                   [Centaurium davyi]
                                             <i>Zeltnera exaltata</i>
                                                   [Centaurium douglasii]
                                                   [Centaurium exaltatum]
                                                   [Centaurium namophilum var. nevadense]
                                                   [Centaurium nuttallii]
                                                   [Cicendia exaltata]
                                                   [Erythraea tenella]
                                             <i>Zeltnera glandulifera</i>
                                                   [Centaurium beyrichii var. glanduliferum]
                                                   [Centaurium glanduliferum]
                                             <i>Zeltnera madrensis</i>
                                                   [Centaurium macranthum]
                                                   [Centaurium madrense]
                                                   [Centaurium pringleanum]
                                                   [Erythraea madrensis]
                                                   [Erythraea pringleana]
                                             <i>Zeltnera martinii</i>
                                                   [Centaurium martinii]
                                             <i>Zeltnera maryanna</i>
                                             <i>Zeltnera maryanniana</i>
                                                   [Centaurium maryannum]
                                             <i>Zeltnera muehlenbergii</i>
                                                   [Centaurium muehlenbergii var. albiflorum]
                                                   [Centaurium muehlenbergii]
                                                   [Centaurium muhlenbergii]
                                                   [Erythraea muehlenbergii]
                                                   [Erythraea muhlenbergii]
                                                   [Erythraea nuttallii var. tenella]
                                                   [Zeltnera muhlenbergii]
                                             <i>Zeltnera multicaulis</i>
                                                   [Centaurium multicaule]
                                             <i>Zeltnera namophila</i>
                                                   [Centaurium namophilum]
                                             <i>Zeltnera nevadensis</i>
                                             <i>Zeltnera nudicaulis</i>
                                                   [Centaurium nudicaule]
                                                   [Centaurium peninsulare]
                                             <i>Zeltnera pusilla</i>
                                                   [Centaurium pusillum]
                                             <i>Zeltnera quitensis</i>
                                                   [Centaurium divaricatum]
                                             <i>Zeltnera setacea</i>
                                                   [Centaurium setaceum]
                                                   [Erythraea setacea]
                                             <i>Zeltnera stricta</i>
                                                   [Centaurium strictum]
                                                   [Erythraea micrantha]
                                                   [Erythraea retusa]
                                                   [Erythraea tetramera]
                                             <i>Zeltnera texensis</i>
                                                   [Centaurium texense]
                                             <i>Zeltnera trichantha</i>
                                                   [Centaurium trichanthum]
                                             <i>Zeltnera venusta</i>
                                                   [Centaurium venustum subsp. venustum]
                                                   [Centaurium venustum venustum]
                                                   [Centaurium venustum]
                                             <i>Zeltnera wigginsii</i>
                                                   [Centaurium wigginsii]
                                     <i>Zonanthus</i>
                                             <i>Zonanthus cubensis</i>
                                     <i>Zygostigma</i>

Problematic Rooting (130761)
                                               <i>Lisianthus nigrescens var. chiapensis</i>

Problematic Rooting (15240)
                                               <i>Gentianella heterosepala subsp. heterosepala</i>

Problematic Rooting (3649)
                                               <i>Gentianella tenella subsp. pribilofii</i>