| Latin Name | Common Name | Edibility Rating | Medicinal Rating |
| Abies grandis | Grand Fir, Giant Fir, Lowland White Fir | 2 | 2 |
| Acacia angustissima | Prairie acacia. Timbre. Fernleaf Acacia | 2 | 3 |
| Acacia dealbata | Mimosa, Silver wattle | 2 | 0 |
| Acacia decurrens | Green Wattle | 2 | 1 |
| Acanthus mollis | Bear's Breeches | 0 | 2 |
| Acer pseudoplatanus | Sycamore, Great Maple, Scottish Maple, Planetree Maple | 2 | 1 |
| Acer saccharinum | Silver Maple, River Maple, Soft Maple | 3 | 1 |
| Acer saccharum | Sugar Maple, Florida Maple, Hard Maple, Rock Maple | 4 | 2 |
| Acer saccharum nigrum | Black Maple | 4 | 1 |
| Achillea millefolium | Yarrow, Boreal yarrow, California yarrow, Giant yarrow, Coast yarrow, Western yarrow, Pacific yarrow | 3 | 4 |
| Achillea ptarmica | Sneeze-Wort, Sneezeweed | 2 | 1 |
| Acmella oleracea | Toothache plant, Paracress | 3 | 3 |
| Actinidia arguta | Tara Vine | 5 | 0 |
| Actinidia chinensis | Kiwi | 4 | 2 |
| Actinidia deliciosa | Kiwi Fruit | 5 | 1 |
| Actinidia kolomikta | Kiwi | 4 | 0 |
| Actinidia purpurea | Purple hardy kiwi | 4 | 0 |
| Adiantum pedatum | Northern Maidenhair,American Maidenhair Fern | 0 | 2 |
| Aegopodium podagraria | Ground Elder, Bishop's goutweed, Goutweed, Ground Elder, Bishop's Weed | 3 | 2 |
| Agastache foeniculum | Anise Hyssop, Blue giant hyssop | 5 | 1 |
| Agastache rugosa | Korean Mint | 4 | 3 |
| Ajuga reptans | Bugle, Common Bugelweed, Bugleweed, Carpet Bugleweed, Carpetweed, Carpet Bugle | 2 | 3 |
| Akebia quinata | Akebia, Chocolate vine, Fiveleaf Akebia, Chocolate Vine | 4 | 2 |
| Akebia trifoliata | Akebia, Threeleaf Akebia | 4 | 2 |
| Alcea rosea | Hollyhock | 3 | 2 |
| Alliaria petiolata | Garlic Mustard | 3 | 2 |
| Allium ampeloprasum | Wild Leek, Broadleaf wild leek | 5 | 3 |
| Allium ampeloprasum babingtonii | Babington's Leek | 3 | 3 |
| Allium canadense | Canadian Garlic, Meadow garlic, Fraser meadow garlic, Hyacinth meadow garlic | 4 | 2 |
| Allium cepa aggregatum | Potato Onion | 4 | 3 |
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