| Latin Name | Common Name | Edibility Rating | Medicinal Rating |
| Abies amabilis | Red Fir,Pacific silver fir | 1 | 2 |
| Abies balsamea | Balsam Fir | 3 | 5 |
| Abies fraseri | She Balsam, Fraser fir, Southern Balsam Fir | 1 | 3 |
| Abies grandis | Grand Fir, Giant Fir, Lowland White Fir | 2 | 2 |
| Abies lasiocarpa | Subalpine Fir, Alpine Fir | 2 | 2 |
| Acaenia anserinifolia | Pirri-Pirri Bur | 1 | 1 |
| Acer acuminatum | | 1 | 0 |
| Acer ginnala | Amur Maple | 1 | 0 |
| Acer ukurunduense caudatum | | 1 | 0 |
| Achillea ageratum | Mace, Sweet-nancy | 2 | 0 |
| Achillea millefolium | Yarrow, Boreal yarrow, California yarrow, Giant yarrow, Coast yarrow, Western yarrow, Pacific yarrow | 3 | 4 |
| Acinos alpinus | Alpine Calamint | 1 | 1 |
| Actinidia polygama | Silver Vine | 4 | 2 |
| Adiantum capillus-veneris | Maidenhair Fern, Common maidenhair, Southern Maidenhair Fern, Venus Maidenhair Fern, Venus's Hair Fe | 2 | 2 |
| 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 |
| Agrimonia eupatoria | Agrimony, Churchsteeples | 2 | 3 |
| Akebia quinata | Akebia, Chocolate vine, Fiveleaf Akebia, Chocolate Vine | 4 | 2 |
| Akebia trifoliata | Akebia, Threeleaf Akebia | 4 | 2 |
| Akebia x pentaphylla | | 4 | 0 |
| Albizia julibrissin | Mimosa, Silktree, Mimosa Tree, | 2 | 2 |
| Alcea rosea | Hollyhock | 3 | 2 |
| Alchemilla alpina | Alpine Lady's Mantle, Mountain Lady's Mantle | 2 | 3 |
| Alchornea cordifolia | Christmas Bush | 2 | 4 |
| Aloe ferox | Cape Aloe, Bitter Aloe, Red Aloe, Cape Aloe, Alligator Jaw Aloe | 2 | 5 |
| Althaea officinalis | Marsh Mallow, Common marshmallow | 5 | 5 |
| Amelanchier alnifolia | Saskatoon, Saskatoon serviceberry, Serviceberry | 5 | 2 |
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