| Latin Name | Common Name | Family | Synonyms | Edibility Rating | Medicinal Rating |
| Abies cephalonica | Grecian Fir | Pinaceae | | 0 | 0 |
| Abies grandis | Grand Fir, Giant Fir, Lowland White Fir | Pinaceae | A. excelsior. | 2 | 2 |
| Acacia decurrens | Green Wattle | Fabaceae or Leguminosae | Mimosa decurrens. | 2 | 1 |
| Acacia pycnantha | Golden Wattle | Fabaceae or Leguminosae | | 2 | 0 |
| Acorus gramineus | Grass-leaved Sweet Rush, Japanese Sweet Flag, Dwarf Sweet Flag | Araceae | | 3 | 3 |
| Adenostoma fasciculatum | Greasewood | Rosaceae | | 0 | 1 |
| Aegilops speltoides | Goatgrass | Poaceae or Gramineae | | 1 | 0 |
| Aegopodium podagraria | Ground Elder, Bishop's goutweed, Goutweed, Ground Elder, Bishop's Weed | Apiaceae or Umbelliferae | | 3 | 2 |
| Agalinis tenuifolia | Slenderleaf False Foxglove | Scrophulariaceae | Gerardia tenuifolia. | 0 | 1 |
| Agastache urticifolia | Giant Hyssop, Nettleleaf giant hyssop | Lamiaceae or Labiatae | A. glaucifolia. Lophanthus urticifolius. | 3 | 1 |
| Ageratum conyzoides | Goatweed, Tropical whiteweed | Asteraceae or Compositae | | 0 | 3 |
| Agrostemma githago | Corncockle, Common corncockle | Caryophyllaceae | Githago segetum. Lychnis githago. | 1 | 1 |
| Ajuga chamaepitys | Ground Pine, Yellow bugle | Lamiaceae or Labiatae | | 0 | 2 |
| Alisma plantago-aquatica | Great Water Plantain, ZE-XIE, European water plantain, American water plantain, Northern water plan | Alismataceae | A. parviflorum. A. subcordatum. A. triviale. Pursh. | 1 | 3 |
| Alliaria petiolata | Garlic Mustard | Brassicaceae or Cruciferae | A. officinalis. Erysimum alliaria. Sisymbrium alliaria. | 3 | 2 |
| Allium geyeri | Geyer's Onion, Bulbil onion | Alliaceae | | 3 | 2 |
| Allium giganteum | Giant Onion, Ornamental Onion | Alliaceae | | 3 | 2 |
| Allium moly | Golden Garlic, Ornamental Onion | Alliaceae | | 4 | 2 |
| Allium sativum | Garlic, Cultivated garlic | Alliaceae | Allium controversum. Allium longicuspis. Allium ophioscorodon. Porrum ophioscorodon. | 5 | 5 |
| Allium schoenoprasum sibiricum | Giant Chives | Alliaceae | A. sibiricum. L. | 5 | 2 |
| Allium senescens | German Garlic | Alliaceae | A. lusitanicum. | 4 | 2 |
| Allium tuberosum | Garlic Chives, Chinese chives, Oriental Chives, | Alliaceae | | 5 | 2 |
| Alnus incana | Grey Alder, Speckled alder, Thinleaf alder, White Alder | Betulaceae | Betula alnus incana. | 0 | 0 |
| Alocasia macrorrhizos | Giant Taro, Giant Elephant Ear | Araceae | Alocasia cordifolia (Bory) Cordem. Alocasia gigas Chantrier ex Andre Alocasia grandis N.E.Br. Alocasia indica (Lour.) Spach. Alocasia marginata N.E.Br. Alocasia metallica Schott Alocasia montana (Roxb.) Schott Alocasia pallida K.Koch & C.D.Bouche Alocasia plumbea Van Houtte Alocasia rapiformis (Roxb.) Schott Alocasia uhinkii Engl. & K.Krause Alocasia variegata K.Koch & C.D.Bouche Arum cordifolium Bory Arum indicum Lour. Arum macrorhizum L. Arum montanum Roxb. Arum mucronatum Lam. Arum peregrinum L. Arum rapiforme Roxb. Caladium indicum K.Koch Caladium macrorrhizon (L.) R.Br. Caladium metallicum Engl. Caladium odoratum Lodd. Caladium plumbeum K.Koch Calla badian Blanco Calla maxima Blanco Calocasia indica (Lour.) Kunth Colocasia boryi Kunth Colocasia macrorrhizos (L.) Schott Colocasia montana (Roxb.) Kunth Colocasia mucronata (Lam.) Kunth Colocasia peregrina (L.) Raf. Colocasia rapiformis (Roxb.) Kunth Philodendron peregrinum (L.) Kunth Philodendron punctatum Kunth | 3 | 1 |
| Ambrosia trifida | Giant Ragweed, Great ragweed, Texan great ragweed, Bitterweed, Bloodweed, Buffalo Weed, Horse Cane | Asteraceae or Compositae | | 1 | 3 |
| Anacolosa frutescens | Galo Nut, Kopi gunung, Tangki leuweung, Belian landak. | Olacaceae | Anacolosa arborea Koord. & Valeton Anacolosa celebica Valeton ex Koord. Anacolosa heptandra Maingay | 4 | 0 |
| Andrographis paniculata | Green Chireta, Creat, Nilavembu, Kirayat, Chuan Xin Lian, King of Bitters | Acanthaceae | Andrographis subspathulata C.B.Clarke | 1 | 4 |
| Angelica gigas | Giant Angelica, Purple Parsnip, Korean Angelica | Apiaceae or Umbelliferae | | 2 | 2 |
| Antennaria dioica | Catsfoot, Stoloniferous pussytoes | Asteraceae or Compositae | Gnaphalium dioicum. Antennaria hibernica. Antennaria insularis. Cyttarium dioicum. | 0 | 2 |
| Apios americana | Ground Nut | Fabaceae or Leguminosae | A. tuberosa. Glycine tuberosa. | 5 | 1 |
| Apios priceana | Traveler's delight | Fabaceae or Leguminosae | Glycine priceana. | 5 | 0 |
| Arbutus andrachne | Grecian StrawberryTree | Ericaceae | | 3 | 0 |
| Arctium lappa | Great Burdock, Gobo | Asteraceae or Compositae | Arctium majus. Arcion majus. Arcion tomentosum. Lappa glabra. | 4 | 5 |
| Arctostaphylos patula | Greenleaf Manzanita | Ericaceae | | 3 | 1 |
| Arisaema dracontium | Green-Dragon | Araceae | | 1 | 1 |
| Aristolochia fangchi | Guan Fang Chi | Aristolochiaceae | | 0 | 2 |
| Artemisia glacialis | Glacier Wormwood | Asteraceae or Compositae | | 1 | 2 |
| Arthrocnemum fruticosum | Glasswort | Chenopodiaceae | Salicornia fruticosa. L. | 1 | 0 |
| Arthrocnemum subterminale | Glasswort, Parish's glasswort | Chenopodiaceae | | 1 | 0 |
| Aruncus dioicus | Goat's Beard, Bride's feathers | Rosaceae | A. silvester. A. vulgaris. | 2 | 2 |
| Arundo donax | Giant Reed, Giant Reed Grass | Poaceae or Gramineae | A. maxima. | 3 | 2 |
| Asclepias viridiflora | Green Milkweed, Green comet milkweed | Asclepiadaceae | | 3 | 2 |
| Asperula tinctoria | Dyer's Woodruff | Rubiaceae | Galium triandrum. | 0 | 0 |
| Aspidosperma album | Guatambu | Apocynaceae | Aspidosperma centrale Markgr. Aspidosperma latisiliqua (Poir.) A.DC. Bignonia latisiliqua Poir. Maca | 0 | 2 |
| Astragalus crassicarpus | Ground Plum, Groundplum milkvetch | Fabaceae or Leguminosae | A. caryocarpus. Ker-Gawl. A. mexicanus. A. succulentus. Geoprumnon succulentum. | 4 | 1 |
| Astrantia major | Great Masterwort | Apiaceae or Umbelliferae | A. biebersteinii. A. carinthiaca. A. carniolica. non Wulf. A. trifida. | 0 | 1 |
| Atriplex canescens | Grey Sage Brush, Fourwing saltbush | Chenopodiaceae | | 4 | 1 |
| Atriplex gmelinii | Gmelin's saltbush | Chenopodiaceae | | 2 | 0 |
| Atriplex nummularia | Giant Saltbush, Bluegreen saltbush | Chenopodiaceae | | 3 | 0 |
| Aurinia saxatilis | Golden Alyssum, Basket of gold | Brassicaceae or Cruciferae | Alyssum saxatile. L. | 0 | 0 |
| Backhousia myrtifolia | Grey Myrtle | Myrtaceae | | 0 | 0 |
| Bambusa bambos | Giant Thorny Bamboo | Poaceae | Arundarbor agrestis (Lour.) Kuntze Arundarbor arundinacea (Retz.) Kuntze Arundarbor bambos (L.) Kunt | 3 | 3 |
| Betula ermanii | Gold Birch | Betulaceae | B. incisa. B. shikokiana. | 0 | 1 |
| Betula populifolia | Grey Birch | Betulaceae | Betula acuminata, Betula cuspidata Schrad. ex Regel | 2 | 1 |
| Bloomeria aurea | Golden Stars, Common goldenstar | Alliaceae | B. crocea aurea. (Kell.)Ingram. Nothoscordum aurea. | 1 | 0 |
| Bloomeria crocea | Golden Stars, Common goldenstar | Alliaceae | Nothoscordum aureum. | 1 | 0 |
| Brahea edulis | Guadalupe Palm, | Arecaceae or Palmae | | 1 | 0 |
| Brassica juncea multiceps | Green In The Snow | Brassicaceae or Cruciferae | | 4 | 2 |
| Brassica juncea tsatsai multiceps | Green In The Snow | Brassicaceae | No synonyms are recorded for this name. | 4 | 2 |
| Bulbinopsis bulbosa | Golden Lily | Asphodelaceae | Bulbine bulbosa. (R.Br.)Haw. | 3 | 0 |
| Bulnesia arborea | Verawood | Zygophyllaceae | Guaiacum arboreum (Jacq.) DC. Zygophyllum arboreum Jacq. | 0 | 0 |
| Bursera simaruba | Gum Tree, Gumbo Limbo | Burseraceae | Bursera gummifera L. Bursera ovalifolia (Schldl.) Engl. Elaphrium ovalifolium Schltdl. Elaphrium sim | 2 | 2 |
| Byrsonima crassifolia | Golden Spoon, Nance, Nancy Tree | Malpighiaceae | Byrsonima coriacea (Sw.) DC. Byrsonima cotinifolia Kunth Byrsonima cubensis A.Juss. Byrsonima cuming | 4 | 2 |
| Caesalpinia echinata | Pau Brasil, Brazil Wood, Indian Savin | Fabaceae | Guilandina echinata (Lam.) Spreng. | 0 | 2 |
| Calotropis gigantea | Giant Milkweed, Crown Flower, Giant Calotrope, Swallow-wort | Apocynaceae | Asclepias gigantea L. Periploca cochinchinensis Lour. Streptocaulon cochinchinense (Lour.) G.Don | 2 | 3 |
| Camelina sativa | Gold Of Pleasure | Brassicaceae or Cruciferae | Myagrum sativum. | 3 | 0 |
| Carex riparia | Great Pond Sedge | Cyperaceae | | 1 | 0 |
| Cassia fistula | Golden Shower, Purging Cassia, Golden Chain Tree, Indian Laburnum | Fabaceae | Bactyrilobium fistula Willd. Cassia bonplandiana DC. Cassia excelsa Kunth. Cassia fistuloides Collad | 1 | 4 |
| Catabrosa aquatica | Water WhirlGrass | Poaceae or Gramineae | Glyceria aquatica. | 1 | 1 |
| Caulanthus glaucus | Glaucous wild cabbage | Brassicaceae or Cruciferae | | 1 | 0 |
| Centaurea scabiosa | Greater Knapweed | Asteraceae or Compositae | | 0 | 2 |
| Centella asiatica | Gotu Kola, Spadeleaf | Apiaceae or Umbelliferae | Hydrocotyle asiatica. L. H. cordifolia. H. repanda. | 2 | 5 |
| Chamaecrista fasciculata | Golden Cassia, Partridge pea | Fabaceae or Leguminosae | | 0 | 0 |
| Chamaesaracha coronopus | Greenleaf Five Eyes | Solanaceae | Solanum coronopus | 1 | 1 |
| Chelidonium majus | Greater Celandine, Swallow Wort, Greater Celandine | Papaveraceae | Chelidonium haematodes. Chelidonium laciniatum. Chelidonium luteum. Chelidonium umbelliferum. | 1 | 3 |
| Chenopodium bonus-henricus | Good King Henry | Chenopodiaceae | C. esculentus. | 4 | 2 |
| Chenopodium fremontii | Goosefoot, Fremont's goosefoot, Pringle's goosefoot | Chenopodiaceae | | 2 | 0 |
| Chlorocardium rodiei | Greenheart, Demerara Greenheart | Lauraceae | Nectandra rodioei R.H.Schomb. Ocotea rodiei (R.H.Schomb.) Mez | 0 | 2 |
| Chrysolepis chrysophylla | Golden Chinquapin, Giant chinquapin | Fagaceae | Castanea chrysophylla. Castanopsis chrysophylla. | 2 | 0 |
| Chrysosplenium alternifolium | Golden Saxifrage, Alternate-leaf golden saxifrage, Iowa golden saxifrage | Saxifragaceae | | 2 | 0 |
| Chrysosplenium oppositifolium | Golden Saxifrage | Saxifragaceae | | 2 | 0 |
| Chrysothamnus viscidiflorus | Green Rabbitbrush, Yellow rabbitbrush | Asteraceae or Compositae | Bigelovia douglasii. | 2 | 1 |
| Citropsis gilletiana | Gillet's cherry-orange | Rutaceae | No synonyms are recorded for this name. | 0 | 0 |
| Citrus x paradisi | Grapefruit, Pomelo, Pamplemousse | Rutaceae | None known | 4 | 1 |
| Clarkia biloba | Twolobe clarkia, Mariposa clarkia, Brandegee's clarkia | Oenotheraceae | Godetia biloba. Dur. | 1 | 1 |
| Clarkia purpurea | Winecup clarkia | Oenotheraceae | Godetia albescens. G. viminea | 1 | 0 |
| Claytonia umbellata | Great Basin Spring Beauty | Portulacaceae | | 2 | 0 |
| Clematis recta | Ground virginsbower | Ranunculaceae | | 1 | 1 |
| Cleome gynandra | African Spider Flower, Spiderwisp | Capparidaceae | Gynandropsis gynandra. (L.)Briq. G. pentaphylla. DC. | 0 | 2 |
| Clerodendrum bungei | Glory Flower, Rose glorybower, Cashmere Bouquet, Mexican Hydrangea, Glory Bower | Verbenaceae | Clerodendrum yatschuense H.J.P.Winkl. Pavetta esquirolii H.Lév. Volkameria bungei (Steud.) L | 0 | 1 |
| Coleus edulis | Gala Dinich | Lamiaceae or Labiatae | | 1 | 0 |
| Commiphora wightii | Guggul, Indian bdellium-tree | Burseraceae | Commiphora roxburghii (Stocks) Engl. | 2 | 3 |
| Coniogramme japonica | Bamboo Fern | Polypodiaceae | Gymnogramma japonica. Dyctyogramma japonica. | 0 | 1 |
| Coptis trifolia | Goldthread, Threeleaf goldthread | Ranunculaceae | C. groenlandica. (Oeder.)Fern. | 2 | 2 |
| Coreopsis gigantea | Giant coreopsis, Sea Dahlia | Asteraceae or Compositae | Leptosyne gigantea. | 0 | 0 |
| Cornus alternifolia | Green Osier, Alternateleaf dogwood, Alternate Leaf Dogwood, Golden Shadows Pagoda Dogwood, Green Osi | Cornaceae | Swida alternifolia. | 0 | 2 |
| Cornus controversa | Giant Dogwood, Wedding Cake Tree, | Cornaceae | C. brachypodia. | 2 | 1 |
| Corypha utan | Gebang Palm. Corypha palm, Sugar palm | Arecaceae | Borassus sylvestris Giseke Corypha elata Roxb. Corypha gebang Mart. Corypha gembanga (Blume) Blume Corypha griffithiana Becc. Corypha macrophylla Roster Corypha macropoda Kurz ex Linden Corypha macropoda Linden ex Kurz Corypha sylvestris Mart. Gembanga rotundifolia Blume Livistona vidalii Becc. Taliera elata (Roxb.) Wall. Taliera gembanga Blume Taliera sylvestris Blume | 3 | 2 |
| Cruciata laevipes | Crosswort, Smooth bedstraw | Rubiaceae | Galium cruciata. | 2 | 2 |
| Cucumis anguria | Gherkin, West Indian gherkin | Cucurbitaceae | | 3 | 1 |
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