| Latin Name | Common Name | Edibility Rating | Medicinal Rating |
| Acer campestre | Field Maple, Hedge maple | 2 | 1 |
| Achillea millefolium | Yarrow, Boreal yarrow, California yarrow, Giant yarrow, Coast yarrow, Western yarrow, Pacific yarrow | 3 | 4 |
| Acmella oleracea | Toothache plant, Paracress | 3 | 3 |
| Agastache cana | Hoary Balm Of Gilead, Mosquito plant | 2 | 0 |
| Agastache foeniculum | Anise Hyssop, Blue giant hyssop | 5 | 1 |
| Agastache mexicana | Mexican Giant Hyssop | 3 | 0 |
| Agastache neomexicana | New Mexico Giant Hyssop, Bill Williams Mountain giant hyssop | 3 | 1 |
| Agastache rugosa | Korean Mint | 4 | 3 |
| Agastache urticifolia | Giant Hyssop, Nettleleaf giant hyssop | 3 | 1 |
| Ageratina ligustrina | | 0 | 0 |
| Ajuga reptans | Bugle, Common Bugelweed, Bugleweed, Carpet Bugleweed, Carpetweed, Carpet Bugle | 2 | 3 |
| Albizia lebbeck | Siris Tree, Woman's Tongue, East Indian Walnut | 1 | 2 |
| Alliaria petiolata | Garlic Mustard | 3 | 2 |
| Allium altaicum | | 3 | 2 |
| Allium schoenoprasum | Chives, Wild chives, Flowering Onion | 5 | 2 |
| Allium sphaerocephalon | Round-Headed Leek | 3 | 2 |
| Alnus glutinosa | Alder, European alder , Common Alder, Black Alder | 0 | 3 |
| Anchusa azurea | Anchusa, Italian bugloss | 2 | 1 |
| Anchusa officinalis | Alkanet, Common bugloss | 2 | 1 |
| Anethum graveolens | Dill | 4 | 3 |
| Angelica archangelica | Angelica, Norwegian angelica | 3 | 3 |
| Anthyllis vulneraria | Kidney Vetch | 1 | 2 |
| Arctium lappa | Great Burdock, Gobo | 4 | 5 |
| Arctium minus | Lesser Burdock | 3 | 5 |
| Aristotelia chilensis | Macqui | 3 | 1 |
| Armeria maritima | Sea Thrift, Thrift seapink, California seapink, Interior seapink, Siberian sea thrift | 1 | 1 |
| Artemisia dracunculus | Tarragon, French Tarragon | 4 | 2 |
| Artemisia frigida | Fringed Wormwood, Prairie sagewort | 2 | 2 |
| Artemisia stelleriana | Beach Wormwood, Oldwoman, Dusty Miller | 1 | 0 |
| Asclepias asperula | Antelope Horns, Spider milkweed, Trailing Milkweed | 2 | 1 |
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