| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| GATI | Galium tinctorium L. | stiff marsh bedstraw | Rubiaceae
|
| GATO | Galium torreyi Bigelow | Galium lanceolatum | Rubiaceae
|
| GATR7 | Galium trichocarpum Nutt. | Galium angustifolium ssp. angustifolium | Rubiaceae
|
| GATR8 | Galium tricorne Stokes p.p. | Galium tricornutum | Rubiaceae
|
| GATR6 | Galium tricornutum Dandy | roughfruit corn bedstraw | Rubiaceae
|
| GATRB | Galium trifidum L. ssp. brevipes (Fern. & Wieg.) A.& D. L�ve | Galium brevipes | Rubiaceae
|
| GATRC | Galium trifidum L. ssp. columbianum (Rydb.) Hult�n | threepetal bedstraw | Rubiaceae
|
| GATRH2 | Galium trifidum L. ssp. halophilum (Fern. & Wieg.) Puff | threepetal bedstraw | Rubiaceae
|
| GATRP3 | Galium trifidum L. ssp. pacificum (Wieg.) Piper | Galium trifidum ssp. columbianum | Rubiaceae
|
| GATRS2 | Galium trifidum L. ssp. subbiflorum (Wieg.) Piper | threepetal bedstraw | Rubiaceae
|
| GATRT2 | Galium trifidum L. ssp. tinctorium (L.) Hara | Galium tinctorium | Rubiaceae
|
| GATRT5 | Galium trifidum L. ssp. trifidum | threepetal bedstraw | Rubiaceae
|
| GATRH3 | Galium trifidum L. var. halophilum Fern. & Wieg. | Galium trifidum ssp. halophilum | Rubiaceae
|
| GATRL | Galium trifidum L. var. latifolium Torr. | Galium obtusum ssp. obtusum | Rubiaceae
|
| GATRP | Galium trifidum L. var. pacificum Wieg. | Galium trifidum ssp. columbianum | Rubiaceae
|
| GATRP2 | Galium trifidum L. var. pusillum Gray | Galium trifidum ssp. subbiflorum | Rubiaceae
|
| GATRS3 | Galium trifidum L. var. subbiflorum Wieg. | Galium trifidum ssp. subbiflorum | Rubiaceae
|
| GATRT3 | Galium trifidum L. var. tinctorium (L.) Torr. & Gray | Galium tinctorium | Rubiaceae
|
| GATR2 | Galium trifidum L. | threepetal bedstraw | Rubiaceae
|
| GATRA | Galium triflorum Michx. var. asprelliforme Fern. | Galium triflorum | Rubiaceae
|
| GATRV | Galium triflorum Michx. var. viridiflorum DC. | Galium triflorum | Rubiaceae
|
| GATR3 | Galium triflorum Michx. | fragrant bedstraw | Rubiaceae
|
| GAUNO | Galium uncinulatum DC. var. obstipum (Schlecht.) S. Wats. | Galium uncinulatum | Rubiaceae
|
| GAUN | Galium uncinulatum DC. | bristly bedstraw | Rubiaceae
|
| GAUN2 | Galium uniflorum Michx. | oneflower bedstraw | Rubiaceae
|
| GAVA | Galium vaillantii DC. | Galium aparine | Rubiaceae
|
| GAVE5 | Galium verrucosum Huds. | warty bedstraw | Rubiaceae
|
| GAVEW | Galium verum L. ssp. wirtgenii (F.W. Schultz) Oborny | Galium wirtgenii | Rubiaceae
|
| GAVE | Galium verum L. | Yellow Spring bedstraw | Rubiaceae
|
| GAVID | Galium virgatum Nutt. var. diffusum Gray | Galium proliferum | Rubiaceae
|
| GAVIL | Galium virgatum Nutt. var. leiocarpum Torr. & Gray | Galium virgatum | Rubiaceae
|
| GAVI | Galium virgatum Nutt. | southwestern bedstraw | Rubiaceae
|
| GAWA2 | Galium walteri J.F. Gmel. | Galium pilosum var. puncticulosum | Rubiaceae
|
| GAWAP | Galium watsonii (Gray) Heller ssp. puberulum (Piper) Ehrend. | Galium serpenticum ssp. puberulum | Rubiaceae
|
| GAWA | Galium watsonii (Gray) Heller | Watson's bedstraw | Rubiaceae
|
| GAWI | Galium wirtgenii F.W. Schultz | Wirtgen's bedstraw | Rubiaceae
|
| GAWRR2 | Galium wrightii Gray var. rothrockii (Gray) Ehrend. ex Ferris | Galium wrightii | Rubiaceae
|
| GAWR2 | Galium wrightii Gray | Wright's bedstraw | Rubiaceae
|
| GALIU | Galium L. | bedstraw | Rubiaceae
|
| GAAN3 | Galphimia angustifolia Benth. | narrowleaf goldshower | Malpighiaceae
|
| GAGR4 | Galphimia gracilis Bartl. | slender goldshower | Malpighiaceae
|
| GALPH | Galphimia Cav. | goldshower | Malpighiaceae
|
| GACA11 | Galpinsia camporum Woot. & Standl. | Calylophus hartwegii ssp. pubescens | Onagraceae
|
| GAHA3 | Galpinsia hartwegii (Benth.) Britt. | Calylophus hartwegii ssp. hartwegii | Onagraceae
|
| GAIN2 | Galpinsia interior Small | Calylophus hartwegii ssp. pubescens | Onagraceae
|
| GALA11 | Galpinsia lavandulifolia (Torr. & Gray) Small | Calylophus lavandulifolius | Onagraceae
|
| GATO4 | Galpinsia toumeyi Small | Calylophus toumeyi | Onagraceae
|
| GASP4 | Galvezia speciosa (Nutt.) Gray | Gambelia speciosa | Scrophulariaceae
|
| GAIN | Galypola incarnata (L.) Nieuwl. | Polygala incarnata | Polygalaceae
|
| GASP10 | Gambelia speciosa Nutt. | showy greenbright | Scrophulariaceae
|
| GAMBE | Gambelia Nutt. | greenbright | Scrophulariaceae
|
| GAAM3 | Gamochaeta americana (P. Mill.) Weddell | American everlasting | Asteraceae
|
| GACA6 | Gamochaeta calviceps (Fern.) Cabrera | Gamochaeta falcata | Asteraceae
|
| GAFA3 | Gamochaeta falcata (Lam.) Cabrera | narrowleaf purple everlasting | Asteraceae
|
| GAPE2 | Gamochaeta pensylvanica (Willd.) Cabrera | Pennsylvania everlasting | Asteraceae
|
| GAPU3 | Gamochaeta purpurea (L.) Cabrera | spoonleaf purple everlasting | Asteraceae
|
| GASP9 | Gamochaeta sphacilata (Kunth) Cabrera | owl's crown | Asteraceae
|
| GASP8 | Gamochaeta spicata (Lam.) Cabrera | Gamochaeta americana | Asteraceae
|
| GAUS | Gamochaeta ustulata (Nutt.) Nesom | featherweed | Asteraceae
|
| GAMOC | Gamochaeta Weddell | everlasting | Asteraceae
|
| GAFR4 | Garberia fruticosa (Nutt.) Gray | Garberia heterophylla | Asteraceae
|
| GAHE4 | Garberia heterophylla (Bartr.) Merr. & F. Harper | garberia | Asteraceae
|
| GARBE | Garberia Gray | garberia | Asteraceae
|
| GADU3 | Garcinia dulcis (Roxb.) Kurz | Gourka | Clusiaceae
|
| GAHA4 | Garcinia hanburyi Hook. f. | Hanbury's garcinia | Clusiaceae
|
| GAHE5 | Garcinia hessii (Britt.) Alain | lemon saptree | Clusiaceae
|
| GAIN5 | Garcinia indica (Thouars) Choisy | garcinia | Clusiaceae
|
| GAKO | Garcinia kola Heckel | garcinia | Clusiaceae
|
| GALA15 | Garcinia lateriflora Blume | garcinia | Clusiaceae
|
| GALI5 | Garcinia livingstonei T. Anderson | Livingstone's garcinia | Clusiaceae
|
| GAMA10 | Garcinia mangostana L. | mangosteen | Clusiaceae
|
| GAMU6 | Garcinia multiflora Champ. ex Benth. | garcinia | Clusiaceae
|
| GAMY | Garcinia myrtifolia A.C. Smith | garcinia | Clusiaceae
|
| GAPO2 | Garcinia portoricensis (Urban) Alain | palo de cruz | Clusiaceae
|
| GATI2 | Garcinia tinctoria (DC.) W. F. Wight | Garcinia xanthochymus | Clusiaceae
|
| GAXA | Garcinia xanthochymus Hook. f. ex T. Anderson | garcinia | Clusiaceae
|
| GARCI | Garcinia L. | saptree | Clusiaceae
|
| GAAN6 | Gardenia angusta (L.) Merr. | cape jasmine | Rubiaceae
|
| GABR | Gardenia brighamii Mann | forest gardenia | Rubiaceae
|
| GAFL7 | Gardenia florida L. | Gardenia angusta | Rubiaceae
|
| GAJA | Gardenia jasminoides Ellis | Gardenia angusta | Rubiaceae
|
| GAMAH | Gardenia mannii St. John & Kuykend. var. honoluluensis St. John & Kuykend. | Gardenia mannii | Rubiaceae
|
| GAMA6 | Gardenia mannii St. John & Kuykend. | Oahu gardenia | Rubiaceae
|
| GARE | Gardenia remyi Mann | Remy's gardenia | Rubiaceae
|
| GATA | Gardenia taitensis DC. | Tahitian gardenia | Rubiaceae
|
| GATH | Gardenia thunbergia L. f. | Thunberg's gardenia | Rubiaceae
|
| GAWE | Gardenia weissichii St. John | Gardenia taitensis | Rubiaceae
|
| GARDE | Gardenia Ellis | gardenia | Rubiaceae
|
| GAAC | Garnotia acutigluma (Steud.) Ohwi | Garnotia stricta | Poaceae
|
| GASA3 | Garnotia sandwicensis Hbd. | Garnotia stricta | Poaceae
|
| GAST3 | Garnotia stricta Brongn. | blue lawngrass | Poaceae
|
| GARNO | Garnotia Brongn. | lawngrass | Poaceae
|
| GABU2 | Garrya buxifolia Gray | dwarf silktassel | Garryaceae
|
| GACO9 | Garrya congdonii Eastw. | chaparral silktassel | Garryaceae
|
| GAEL | Garrya elliptica Dougl. ex Lindl. | wavyleaf silktassel | Garryaceae
|
| GAFA5 | Garrya fadyenia Hook. | Fadyen's silktassel | Garryaceae
|
| GAFLC | Garrya flavescens S. Wats. ssp. congdonii (Eastw.) Dahling | Garrya congdonii | Garryaceae
|
| GAFLP2 | Garrya flavescens S. Wats. ssp. pallida (Eastw.) Dahling | Garrya flavescens | Garryaceae
|
| GAFLP3 | Garrya flavescens S. Wats. var. pallida (Eastw.) Bacig. ex Ewan | Garrya flavescens | Garryaceae
|
| GAFL2 | Garrya flavescens S. Wats. | ashy silktassel | Garryaceae
|
| GAFRL | Garrya fremontii Torr. var. laxa Eastw. | Garrya fremontii | Garryaceae
|