Plants of the Four Corners

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  Plantae

      Tracheophyta

            Magnoliopsida

                    Gentianales

                            Gentianaceae

                                     Centaurium

                                             Centaurium pulchellum

                                     Cicendia

                                     Comastoma

                                             Comastoma tenellum

                                                   [Gentiana monantha]

                                                   [Gentiana tenella]

                                                   [Gentianella tenella]

                                     Eustoma

                                             Eustoma exaltatum

                                             Eustoma russellianum

                                                   [Eustoma andrewsii]

                                                   [Eustoma exaltatum subsp. russellianum]

                                                   [Eustoma grandiflorum]

                                     Exacum

                                             Exacum affine

                                     Frasera

                                             Frasera ackermaniae

                                             Frasera albicaulis

                                             Frasera albomarginata

                                                   [Frasera albomarginata var. induta]

                                                   [Swertia albomarginata]

                                             Frasera carolinensis

                                                   [Swertia caroliniensis]

                                             Frasera coloradensis

                                                   [Swertia coloradensis]

                                             Frasera gypsicola

                                                   [Swertia gypsicola]

                                             Frasera paniculata

                                                   [Frasera utahensis]

                                                   [Swertia utahensis]

                                             Frasera speciosa

                                                   [Frasera ampla]

                                                   [Frasera macrophylla]

                                                   [Frasera speciosa var. scabra]

                                                   [Frasera stenosepala]

                                                   [Frasera venosa]

                                                   [Swertia radiata var. macrophylla]

                                                   [Swertia radiata]

                                     Gentiana

                                           [Chondrophylla]

                                             Gentiana affinis

                                                   [Gentiana affinis var. forwoodii]

                                                   [Gentiana bigelovii]

                                                   [Gentiana forwoodii]

                                                   [Gentiana interrupta]

                                                   [Gentiana rusbyi]

                                                   [Pneumonanthe affinis]

                                                   [Pneumonanthe bigelovii]

                                                   [Pneumonanthe rusbyi]

                                             Gentiana algida

                                                   [Dasystephana romanzovii]

                                                   [Gentiana crandallii]

                                                   [Gentiana frigida var. algida]

                                                   [Gentiana romanzovii]

                                                   [Gentianodes algida]

                                             Gentiana andrewsii

                                                   [Pneumonanthe andrewsii]

                                             Gentiana aquatica

                                               Gentiana aquatica subsp. aquatica

                                                     [Chondrophylla aquatica]

                                                     [Gentiana humilis]

                                             Gentiana calycosa

                                                   [Dasystephana calycosa]

                                                   [Gentiana calycosa subsp. asepala]

                                                   [Gentiana calycosa var. asepala]

                                                   [Pneumonanthe calycosa]

                                             Gentiana forrestii

                                               Gentiana forrestii subsp. forrestii

                                                     [Gentiana pallida]

                                             Gentiana fremontii

                                                   [Chondrophylla fremontii]

                                             Gentiana frigida

                                             Gentiana parryi

                                                   [Dasystephana parryi]

                                                   [Gentiana bracteosa]

                                                   [Pneumonanthe parryi]

                                             Gentiana producta

                                             Gentiana prostrata

                                               Gentiana prostrata subsp. nutans

                                                     [Chondrophylla nutans]

                                                     [Gentiana nutans]

                                               Gentiana prostrata subsp. prostrata

                                                     [Chondrophylla prostrata]

                                                     [Ciminalis prostrata]

                                                     [Ericoila prostrata]

                                                     [Gentiana prostrata var. americana]

                                             Gentiana puberulenta

                                             Gentiana rubricaulis

                                             Gentiana septemfida

                                               Gentiana septemfida subsp. septemfida

                                                     [Pneumonanthe septemfida]

                                     Gentianella

                                             Gentianella amabilis

                                                   [Gentiana amabilis]

                                             Gentianella amarella

                                               Gentianella amarella subsp. acuta

                                                     [Amarella distegia]

                                                     [Amarella plebeia]

                                                     [Amarella revoluta]

                                                     [Amarella strictiflora]

                                                     [Gentiana acuta var. nana]

                                                     [Gentiana acuta]

                                                     [Gentiana amarella subsp. acuta]

                                                     [Gentiana amarella var. acuta]

                                                     [Gentiana distegia]

                                                     [Gentiana plebeia]

                                                     [Gentiana strictiflora]

                                                     [Gentianella acuta]

                                                     [Gentianella clementis]

                                                     [Gentianella strictiflora]

                                               Gentianella amarella subsp. amarella

                                             Gentianella campestris

                                               Gentianella campestris subsp. campestris

                                                     [Gentiana amarella]

                                             Gentianella heterosepala

                                                   [Amarella heterosepala]

                                                   [Amarella scopulorum]

                                                   [Gentiana heterosepala]

                                                   [Gentiana scopulorum]

                                                   [Gentianella amarella subsp. heterosepala]

                                                   [Gentianella amarella var. heterosepala]

                                             Gentianella lineata

                                                   [Gentiana lineata]

                                             Gentianella microcalyx

                                                   [Gentiana microcalyx]

                                             Gentianella propinqua

                                               Gentianella propinqua subsp. propinqua

                                                     [Gentiana propinqua]

                                             Gentianella quinquefolia

                                             Gentianella tortuosa

                                                   [Gentiana tortuosa]

                                             Gentianella wislizeni

                                                   [Gentiana wislizeni]

                                             Gentianella wrightii

                                                   [Gentiana wrightii]

                                                   [Gentianella amarella subsp. wrightii]

                                     Gentianopsis

                                             Gentianopsis barbellata

                                                   [Gentiana barbellata]

                                                   [Gentianella barbellata]

                                             Gentianopsis crinita

                                                   [Gentiana crinita]

                                                   [Gentiana tonsa]

                                             Gentianopsis detonsa

                                               Gentianopsis detonsa subsp. detonsa

                                                     [Gentiana detonsa]

                                                     [Gentiana serrata]

                                                     [Gentianella detonsa]

                                             Gentianopsis macrantha

                                                   [Gentiana grandis]

                                                   [Gentiana serrata var. grandis]

                                             Gentianopsis simplex

                                                   [Gentiana simplex]

                                             Gentianopsis thermalis

                                                   [Anthopogon elegans]

                                                   [Anthopogon thermalis]

                                                   [Gentiana elegans var. unicaulis]

                                                   [Gentiana elegans]

                                                   [Gentiana thermalis]

                                                   [Gentianella detonsa subsp. elegans]

                                                   [Gentianopsis detonsa var. elegans]

                                                   [Gentianopsis elegans]

                                             Gentianopsis virgata

                                                   [Gentianopsis procera]

                                     Halenia

                                             Halenia recurva

                                             Halenia rothrockii

                                                   [Tetragonanthus rothrockii]

                                     Lomatogonium

                                             Lomatogonium carinthiacum

                                                   [Gentiana polyantha]

                                             Lomatogonium rotatum

                                                   [Lomatogonium rotatum subsp. tenuifolium]

                                                   [Pleurogyne rotata]

                                               Lomatogonium rotatum var. fontanum

                                                     [Pleurogyne fontana]

                                     Sabatia

                                             Sabatia campestris

                                     Schenkia

                                             Schenkia sebaeoides

                                                   [Centaurium sebaeoides]

                                     Swertia

                                             Swertia paniculata

                                             Swertia perennis

                                               Swertia perennis subsp. perennis

                                                     [Swertia congesta]

                                                     [Swertia fritillaria]

                                                     [Swertia palustris]

                                                     [Swertia parallela]

                                                     [Swertia scopulina]

                                             Swertia speciosa

                                     Zeltnera

                                             Zeltnera arizonica

                                                   [Centaurium arizonicum]

                                                   [Centaurium calycosum var. arizonicum]

                                                   [Erythraea calycosa var. arizonica]

                                             Zeltnera beyrichii

                                                   [Centaurium beyrichii]

                                             Zeltnera breviflora

                                             Zeltnera calycosa

                                                   [Centaurium calycosum var. nanum]

                                                   [Centaurium calycosum]

                                                   [Erythraea calycosa]

                                             Zeltnera exaltata

                                                   [Centaurium exaltatum]

                                                   [Cicendia exaltata]

                                                   [Erythraea nuttallii]

                                             Zeltnera glandulifera

                                                   [Centaurium glanduliferum]

                                             Zeltnera maryanniana

                                             Zeltnera namophila

                                                   [Centaurium namophilum]

                                             Zeltnera nudicaulis

                                                   [Centaurium nudicaule]

                                                   [Erythraea nudicaulis]

                                             Zeltnera texensis

                                                   [Centaurium texense]