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

Problematic Rooting (130761)
                                              Lisianthus nigrescens var. chiapensis

Problematic Rooting (15240)
                                              Gentianella heterosepala subsp. heterosepala

Problematic Rooting (3649)
                                              Gentianella tenella subsp. pribilofii