Major items
| Organic | Scientific name | Common name | Part | Origin |
| Galega officinalis L | Goat's Rue | herb | C-Europe | |
| Galeopsis segetum Neck | Hemp Nettle | |||
| Galeottia acuminata | Ecuador | |||
| Galeottia fimbriata | Ecuador | |||
| Galium aperine L | Cleavers | herb | C-Europe | |
| Galium odoratum (L) Scop | Sweet Woodruff | herb | ||
| Galium verum L | Lady's Bedstraw | herb | C-Europe | |
| Galphimia glauca Cav | C-America | |||
| Ganoderma Lucidum | Reishi Mushroom | N-America | ||
| Garcinia cambogia Desr (syn Garcinia gummi-gutta (L) NTamarind | Malabar Tamarind | |||
| Garcinia gummi-gutta (L) N Robson | Malabar Tamarind | Indian Sub | ||
| Garcinia kola Heckel | False Kola | nut | W-Africa | |
| Garcinia lucida Vesque | W-Africa | |||
| Garcinia mangostana L | Mangosteen | SE-Asia | ||
| Garcinia morella (Gaertn) Desr | ||||
| Gardenia jasminoides J Ellis | fruit | China | ||
| Gastrochilus retrocallus | Ecuador | |||
| Gastrodia elata | South Korea | |||
| Gastrodia elata Blume | rhizome | China | ||
| Gaultheria procumbens L | Wintergreen | N-America | ||
| Geissospermum laeve (Vell) Miers | Pao-Pereira | bark | ||
| Geissospermum vellosii Allem | Pau Perreira | wood | S-America | |
| Gelsemium sempervirens (L) JSt-Hil | Yellow Jasmine | N-America | ||
| Genipa americana L | Genipa | fruit | C-America | |
| Gentiana lutea L | Yellow Gentian | root (whole, cut, powder) | W-Europe | |
| Gentiana macrophylla Pall/Gentiana stramineaMaxim/Gentiana crassicaulis Duthie | China | |||
| Gentiana manshurica Kitag/Gentiana scabra Bge/Gentiana triflora pall/Gentiana rigescens FranchChina | ||||
| Gentianella alborosea (Gilg) Fabris | Hercampuri Powder | bark | S-America | |
| Geohintonia mexicana | America | |||
| Geranium dielsianum R Knuth | Pasuchaca Extract | herb | S-America | |
| Geranium maculatum L | Wild Geranium | |||
| Geum urbanum L | Bennet's Root | Europe | ||
| Gillenia trifoliata (L) Moench | Bowman's Root | root | N-America | |
| Ginkgo biloba L | Ginkgo | leaf | China | |
| Gladiolus dalenii Van Geel | bulb | S-Africa | ||
| Gladiolus natalensis Reinw ex Hook(syn Gladiolus dalenii Van Geel) | bulb | S-Africa | ||
| Glandulicactus crassihamatus(Sclerocactus uncinatus) | America | |||
| Glandulicactus uncinatus | America | |||
| Glaucium flavum Crantz | Yellow Horned Poppy | E-Europe | ||
| Glechoma hederacea L | Ground Ivy | herb | ||
| Gleditsia sinensis Lam | Chinese Honey Locust | thorns | China | |
| Glehnia littoralis Fr Schmidt ex Miq | root | China | ||
| Gliricidia sepium (Jacq) Kunth | Aarons' stake | leaf | C-America | |
| Globularia alypum L | Globularia | herb | N-Africa | |
| Gloriosa simplex auct (syn Gloriosa superba L) Climbing Lily | crushed leaf | W-Africa | ||
| Gloriosa superba L | Climbing Lily | seed | W-Africa | |
| Glycine max (L) Merr | Soya | seed | China | |
| Glycyrrhiza glabra L | Liquorice | root | ||
| Glycyrrhiza uralensis Fisch/Glycyrrhiza inflata Bat/Glycyrrhiza glabra L | root | China | ||
| Gmelina arborea Roxb | Gmelina | |||
| Gnaphalium obtusifolium L (syn Pseudognaphalium obtusifoliumHerbHilliard & B L Burtt) | Life Everlasting herb | N-America | ||
| Gnaphalium polycephalum Michx | Sweet Scenting Everlasting | |||
| Gnaphalium spp | Mullein | C-America | ||
| Gnaphalium uliginosum L | Cudweed | E-Europe | ||
| Gomesa barbata | Ecuador | |||
| Gomesa gutfreundiana | Ecuador | |||
| Gomesa longipes | Ecuador | |||
| Gomesa longipes 4N | Ecuador | |||
| Gomesa novaesae | Ecuador | |||
| Gomesa radicans | Ecuador | |||
| Gomesa recurva | Ecuador | |||
| Gomesa varicosa | Ecuador | |||
| Gomphrena globosa L | Globe Amaranth | flower | Americas | |
| Gongora aromatica | Ecuador | |||
| Gongora bufonia | Ecuador | |||
| Gongora cassidea | Ecuador | |||
| Gongora catilligera | Ecuador | |||
| Gongora chocoensis | Ecuador | |||
| Gongora claviodora | Ecuador | |||
| Gongora colombiana | Ecuador | |||
| Gongora flaveola | Ecuador | |||
| Gongora fulva | Ecuador | |||
| Gongora galeata | Ecuador | |||
| Gongora gibba | Ecuador | |||
| Gongora gratulabunda | Ecuador | |||
| Gongora grossa | Ecuador | |||
| Gongora grossa x self | Ecuador | |||
| Gongora histrionica | Ecuador | |||
| Gongora irmgardiae | Ecuador | |||
| Gongora latisepala | Ecuador | |||
| Gongora pardina | Ecuador | |||
| Gongora pleiochroma | Ecuador | |||
| Gongora quinquenervis | Ecuador | |||
| Gongora rufescens | Ecuador | |||
| Gossypium herbaceum L | Cotton | |||
| Gossypium hirsutum L | American Cotton | husk | MidEast | |
| Gracilaria confervoides L | Agar Agar | S-America | ||
| Grammatophyllum scriptum | Ecuador | |||
| Gratiola officinalis L | Hedge Hyssop | herb | W-Europe | |
| Griffonia simplicifolia (Vahl ex DC) Baill | Griffonia | seed | Africa | |
| Grindelia camporum Greene | Grindelia Herb | aerial parts with flowers | ||
| Grindelia robusta (= Grindelia camporum Greene)Grindelia Herb | aerial parts with flowers | |||
| Guaiacum officinale L | Guaiacum | C-America | ||
| Guarea guidonia (L) Sleumer | Muskwood | |||
| Guarea trichiloides L (syn Guarea guidonia (L) Sleumer) | Muskwood | |||
| Guatteria gaumeri Greenman | ||||
| Guazuma ulmifolia Lam | Pigeon wood | leaf, fruit, bark | C-America | |
| Guibourtia ehie (A Chev) J Léonard | gum | W-Africa | ||
| Guiera senegalensis J F Gmel | W-Africa | |||
| Gunnera perpensa L | River pumpkin / Wild Rhubarb | herb | S-Africa | |
| Gymnanthemum amygdalinum (Delile) Sch Bip | Bitterleaf, Ewuro | leaf, root | Africa | |
| Gymnema sylvestre (Retz) Schult | Gymnema | aerial part | N-America | |
| Gymnocactus beguinii | America | |||
| Gymnocactus horripilus | America | |||
| Gymnocactus neglectus | America | |||
| Gymnocactus nellissae | America | |||
| Gymnocactus saueri | America | |||
| Gymnocactus viereckii | America | |||
| Gymnocactus wrobelianus | America | |||
| Gymnocalycium acorrugatum | America | |||
| Gymnocalycium altagraciense | America | |||
| Gymnocalycium ambatoense | America | |||
| Gymnocalycium amerhauseri | America | |||
| Gymnocalycium andreae | America | |||
| Gymnocalycium anisitsii | America | |||
| Gymnocalycium baldianum | spider-cactus, dwarf chin cactus | America | ||
| Gymnocalycium bayrianum | America | |||
| Gymnocalycium bodenbenderianum | America | |||
| Gymnocalycium borthii | America | |||
| Gymnocalycium bruchii | America | |||
| Gymnocalycium buenekeri | America | |||
| Gymnocalycium calochlorum | America | |||
| Gymnocalycium capillaense | America | |||
| Gymnocalycium cardenasianum | America | |||
| Gymnocalycium castellanosii | America | |||
| Gymnocalycium catamarcense | America | |||
| Gymnocalycium chiquitanum | America | |||
| Gymnocalycium chubutense(Gymnocalycium gibbosum) | America | |||
| Gymnocalycium comarapense | America | |||
| Gymnocalycium curvispinum | America | |||
| Gymnocalycium damsii(Gymnocalycium anisitsii) | America | |||
| Gymnocalycium delaetii | America | |||
| Gymnocalycium denudatum | America | |||
| Gymnocalycium erinaceum | America | |||
| Gymnocalycium eurypleurum | chin cactus | America | ||
| Gymnocalycium friedrichii | America | |||
| Gymnocalycium gaponii | America | |||
| Gymnocalycium gibbosum | America | |||
| Gymnocalycium horstii | America | |||
| Gymnocalycium intertextum(Gymnocalycium bodenbenderianum) | America | |||
| Gymnocalycium kieslingii | America | |||
| Gymnocalycium kroenleinii | America | |||
| Gymnocalycium kuehhasii | America | |||
| Gymnocalycium lukasikii | America | |||
| Gymnocalycium matoense | America | |||
| Gymnocalycium mazanense | America | |||
| Gymnocalycium monvillei | America | |||
| Gymnocalycium morroense | America | |||
| Gymnocalycium moserianum | America | |||
| Gymnocalycium mucidum | America | |||
| Gymnocalycium multiflorum | America | |||
| Gymnocalycium netrelianum | America | |||
| Gymnocalycium nidulans | America | |||
| Gymnocalycium obductum | America | |||
| Gymnocalycium occultum | America | |||
| Gymnocalycium odoratum | America | |||
| Gymnocalycium ourselianum | America | |||
| Gymnocalycium paediophilum | America | |||
| Gymnocalycium parvulum | America | |||
| Gymnocalycium pflanzii | America | |||
| Gymnocalycium piltziorum | America | |||
| Gymnocalycium platygonum | America | |||
| Gymnocalycium prochazkianum | America | |||
| Gymnocalycium pugionacanthum | America | |||
| Gymnocalycium quehlianum | America | |||
| Gymnocalycium ragonesei | America | |||
| Gymnocalycium riojense | America | |||
| Gymnocalycium robustum | America | |||
| Gymnocalycium saglionis | America | |||
| Gymnocalycium schatzlianum | America | |||
| Gymnocalycium schickendantzii | America | |||
| Gymnocalycium schroederianum | America | |||
| Gymnocalycium stellatum(Gymnocalycium asterias) | America | |||
| Gymnocalycium sutterianum | America | |||
| Gymnocalycium tilcarense | America | |||
| Gymnocalycium triacanthum | America | |||
| Gymnocalycium uruguayense | America | |||
| Gymnocalycium vatteri | America | |||
| Gymnosporia senegalensis (Lam) Loes | ||||
