| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| GECAX | Gentiana calycosa Griseb. var. xantha A. Nels. | Gentiana calycosa | Gentianaceae
|
| GECA | Gentiana calycosa Griseb. | Rainier pleated gentian | Gentianaceae
|
| GECAN | Gentiana catesbaei Walt. var. nummulariifolia Fern. | Gentiana catesbaei | Gentianaceae
|
| GECA10 | Gentiana catesbaei Walt. | Elliott's gentian | Gentianaceae
|
| GECH | Gentiana cherokeensis (W.P. Lemmon) Fern. | Gentiana saponaria var. saponaria | Gentianaceae
|
| GECL | Gentiana clausa Raf. | bottle gentian | Gentianaceae
|
| GECRB | Gentiana crinita Froel. var. browniana (Hook.) Boivin | Gentianopsis virgata | Gentianaceae
|
| GECRT | Gentiana crinita Froel. var. tonsa (Lunell) Boivin | Gentianopsis macounii | Gentianaceae
|
| GECR3 | Gentiana crinita Froel. | Gentianopsis crinita | Gentianaceae
|
| GECR6 | Gentiana cruciata L. | star gentian | Gentianaceae
|
| GECU3 | Gentiana �curtisii J. Pringle | | Gentianaceae
|
| GEDE3 | Gentiana decora Pollard | showy gentian | Gentianaceae
|
| GEDE8 | Gentiana deloachii (W.P. Lemmon) Shinners | Gentiana villosa | Gentianaceae
|
| GEDEG | Gentiana detonsa Rottb. var. groenlandica Victorin | Gentianopsis detonsa ssp. detonsa | Gentianaceae
|
| GEDEU | Gentiana detonsa Rottb. var. unicaulis (A. Nels.) C.L. Hitchc. | Gentianopsis thermalis | Gentianaceae
|
| GEDE9 | Gentiana detonsa Rottb. | Gentianopsis detonsa ssp. detonsa | Gentianaceae
|
| GEDO | Gentiana douglasiana Bong. | swamp gentian | Gentianaceae
|
| GEEL2 | Gentiana elegans A. Nels. | Gentianopsis thermalis | Gentianaceae
|
| GEELL | Gentiana elliottii Chapman var. latifolia Chapman | Gentiana catesbaei | Gentianaceae
|
| GEEL | Gentiana elliottii Chapman | Gentiana catesbaei | Gentianaceae
|
| GEFL | Gentiana flavida Gray | Gentiana alba | Gentianaceae
|
| GEFO | Gentiana forwoodii Gray | Gentiana affinis | Gentianaceae
|
| GEFR | Gentiana fremontii Torr. | moss gentian | Gentianaceae
|
| GEGA4 | Gentiana gaspensis Victorin | Gentianopsis macounii | Gentianaceae
|
| GEGL | Gentiana glauca Pallas | pale gentian | Gentianaceae
|
| GEGR5 | Gentiana �grandilacustris J. Pringle | | Gentianaceae
|
| GEGR2 | Gentiana grandis (Gray) Holm | Gentianopsis macrantha | Gentianaceae
|
| GEHE3 | Gentiana heterosepala Engelm. | Gentianella amarella ssp. heterosepala | Gentianaceae
|
| GEHO6 | Gentiana holopetala (Gray) Holm | Gentianopsis holopetala | Gentianaceae
|
| GEIN2 | Gentiana interrupta Greene | Gentiana affinis | Gentianaceae
|
| GELIR | Gentiana linearis Froel. ssp. rubricaulis (Schwein.) J. Gillett | Gentiana rubricaulis | Gentianaceae
|
| GELIL | Gentiana linearis Froel. var. lanceolata Gray | Gentiana rubricaulis | Gentianaceae
|
| GELIL2 | Gentiana linearis Froel. var. latifolia Gray | Gentiana rubricaulis | Gentianaceae
|
| GELI3 | Gentiana linearis Froel. | narrowleaf gentian | Gentianaceae
|
| GELU2 | Gentiana lutea L. | yellow gentian | Gentianaceae
|
| GEMA9 | Gentiana macounii Holm | Gentianopsis macounii | Gentianaceae
|
| GEME2 | Gentiana menziesii Griseb. | Gentiana sceptrum | Gentianaceae
|
| GEMI4 | Gentiana microcalyx J.G. Lemmon | Gentianella microcalyx | Gentianaceae
|
| GENEN | Gentiana newberryi Gray var. newberryi | alpine gentian | Gentianaceae
|
| GENET | Gentiana newberryi Gray var. tiogana (Heller) J. Pringle | Tioga gentian | Gentianaceae
|
| GENE | Gentiana newberryi Gray | alpine gentian | Gentianaceae
|
| GENI2 | Gentiana nigricans Lam. | Hedyotis nigricans var. nigricans | Rubiaceae
|
| GENU | Gentiana nutans Bunge | tundra gentian | Gentianaceae
|
| GEOR4 | Gentiana oregana Engelm. ex Gray | Gentiana affinis | Gentianaceae
|
| GEPA4 | Gentiana �pallidocyanea J. Pringle | | Gentianaceae
|
| GEPA | Gentiana parryi Engelm. | Parry's gentian | Gentianaceae
|
| GEPE3 | Gentiana pennelliana Fern. | wiregrass gentian | Gentianaceae
|
| GEPL | Gentiana platypetala Griseb. | broadpetal gentian | Gentianaceae
|
| GEPLH | Gentiana plebeja Ledeb. ex Spreng. var. holmii Wettst. | Gentianella amarella ssp. acuta | Gentianaceae
|
| GEPL4 | Gentiana plebeja Ledeb. ex Spreng. | Gentianella amarella ssp. acuta | Gentianaceae
|
| GEPL6 | Gentiana plurisetosa C.T. Mason | bristly gentian | Gentianaceae
|
| GEPO3 | Gentiana porphyrio J.F. Gmel. | Gentiana autumnalis | Gentianaceae
|
| GEPR8 | Gentiana procera Holm | Gentianopsis virgata | Gentianaceae
|
| GEPRA3 | Gentiana propinqua Richards. ssp. arctophila (Griseb.) Hult�n | Gentianella propinqua ssp. propinqua | Gentianaceae
|
| GEPR7 | Gentiana propinqua Richards. | Gentianella propinqua ssp. propinqua | Gentianaceae
|
| GEPRA2 | Gentiana prostrata Haenke var. americana Engelm. | Gentiana prostrata | Gentianaceae
|
| GEPR3 | Gentiana prostrata Haenke | pygmy gentian | Gentianaceae
|
| GEPU9 | Gentiana puberula Michx. as to type, non Small | Gentiana saponaria var. saponaria | Gentianaceae
|
| GEPU8 | Gentiana puberula auct. non Michx. | Gentiana puberulenta | Gentianaceae
|
| GEPU5 | Gentiana puberulenta J. Pringle | downy gentian | Gentianaceae
|
| GEQU4 | Gentiana quadrangularis Lam. | Cicendia quadrangularis | Gentianaceae
|
| GEQUO2 | Gentiana quinquefolia L. var. occidentalis Gray | Gentianella quinquefolia ssp. occidentalis | Gentianaceae
|
| GEQU3 | Gentiana quinquefolia L. | Gentianella quinquefolia ssp. quinquefolia | Gentianaceae
|
| GERI3 | Gentiana richardsonii Porsild | Gentianopsis detonsa ssp. detonsa | Gentianaceae
|
| GERO4 | Gentiana romanzovii Ledeb. ex Bunge | Gentiana algida | Gentianaceae
|
| GERU | Gentiana rubricaulis Schwein. | closed gentian | Gentianaceae
|
| GERU2 | Gentiana rusbyi Greene | Gentiana affinis | Gentianaceae
|
| GESAL2 | Gentiana saponaria L. var. latidens House | harvestbells | Gentianaceae
|
| GESAL | Gentiana saponaria L. var. linearis (Froel.) Griseb. | Gentiana linearis | Gentianaceae
|
| GESAS | Gentiana saponaria L. var. saponaria | harvestbells | Gentianaceae
|
| GESA | Gentiana saponaria L. | harvestbells | Gentianaceae
|
| GESCC | Gentiana sceptrum Griseb. var. cascadensis M.E. Peck | Gentiana sceptrum | Gentianaceae
|
| GESCH | Gentiana sceptrum Griseb. var. humilis Engelm. ex Gray | Gentiana sceptrum | Gentianaceae
|
| GESC | Gentiana sceptrum Griseb. | king's scepter gentian | Gentianaceae
|
| GESC3 | Gentiana scopulorum (Greene) Tidestrom | Gentianella amarella ssp. heterosepala | Gentianaceae
|
| GESE3 | Gentiana septemfida Pallas | crested gentian | Gentianaceae
|
| GESE2 | Gentiana setigera Gray | Mendocino gentian | Gentianaceae
|
| GESE4 | Gentiana setigera auct. non Gray | Gentiana plurisetosa | Gentianaceae
|
| GESI6 | Gentiana simplex Gray | Gentianopsis simplex | Gentianaceae
|
| GEST5 | Gentiana strictiflora (Rydb.) A. Nels. | Gentianella amarella ssp. acuta | Gentianaceae
|
| GETE8 | Gentiana tenella Rottb. | Gentianella tenella ssp. tenella | Gentianaceae
|
| GETH2 | Gentiana thermalis Kuntze | Gentianopsis thermalis | Gentianaceae
|
| GETI2 | Gentiana tiogana Heller | Gentiana newberryi var. tiogana | Gentianaceae
|
| GETO4 | Gentiana tonsa (Lunell) Victorin | Gentianopsis macounii | Gentianaceae
|
| GETO3 | Gentiana tortuosa M.E. Jones | Gentianella tortuosa | Gentianaceae
|
| GEVE5 | Gentiana ventricosa Griseb. | Gentianopsis crinita | Gentianaceae
|
| GEVE4 | Gentiana verticillata L. | Enicostema verticillatum | Gentianaceae
|
| GEVI5 | Gentiana villosa L. | striped gentian | Gentianaceae
|
| GEWI5 | Gentiana wislizeni Engelm. | Gentianella wislizeni | Gentianaceae
|
| GEWR | Gentiana wrightii Gray | Gentianella wrightii | Gentianaceae
|
| GENTI | Gentiana L. | gentian | Gentianaceae
|
| GEAC2 | Gentianella acuta (Michx.) Hiitonen | Gentianella amarella ssp. acuta | Gentianaceae
|
| GEAMA | Gentianella amarella (L.) Boerner ssp. acuta (Michx.) J. Gillett | autumn dwarf gentian | Gentianaceae
|
| GEAMH | Gentianella amarella (L.) Boerner ssp. heterosepala (Engelm.) J. Gillett | autumn dwarf gentian | Gentianaceae
|
| GEAMW | Gentianella amarella (L.) Boerner ssp. wrightii (Gray) J. Gillett | Gentianella wrightii | Gentianaceae
|
| GEAMA3 | Gentianella amarella (L.) Boerner var. acuta (Michx.) Herder | Gentianella amarella ssp. acuta | Gentianaceae
|
| GEAMH3 | Gentianella amarella (L.) Boerner var. heterosepala (Engelm.) Dorn | Gentianella amarella ssp. heterosepala | Gentianaceae
|
| GEAM3 | Gentianella amarella (L.) Boerner | autumn dwarf gentian | Gentianaceae
|
| GEAU5 | Gentianella auriculata (Pallas) J. Gillett | eared dwarf gentian | Gentianaceae
|
| GEBA3 | Gentianella barbellata (Engelm.) J. Gillett | Gentianopsis barbellata | Gentianaceae
|
| GECRM | Gentianella crinita (Froel.) G. Don ssp. macounii (Holm) J. Gillett | Gentianopsis macounii | Gentianaceae
|