| Latin Name | Common Name | Edibility Rating | Medicinal Rating |
| Abelmoschus esculentus | Okra | 4 | 3 |
| Abelmoschus moschatus | Musk Mallow,Musk Okra | 2 | 3 |
| Abies firma | Momi Fir, Japanese Fir | 1 | 0 |
| Abies lasiocarpa | Subalpine Fir, Alpine Fir | 2 | 2 |
| Abutilon theophrasti | China Jute, Velvetleaf, Butterprint Buttonweed Jute, China Mallow, Indian Velvet Leaf | 3 | 2 |
| Acacia aneura | Mulga Acacia | 3 | 0 |
| Acacia coriacea | Wiry Wattle, Acacia, Leather Leaf | 3 | 0 |
| Acacia longifolia | Sydney Golden Wattle, Acacia | 3 | 0 |
| Acacia retinodes | Swamp Wattle, Water wattle | 2 | 0 |
| Acacia sophorae | Coastal Wattle, Acacia | 2 | 0 |
| Acer glabrum | Rock Maple, Rocky Mountain maple, Douglas maple, Greene's maple, New Mexico maple, Torrey maple | 2 | 1 |
| Acer macrophyllum | Oregon Maple, Bigleaf maple, Oregon Maple | 3 | 1 |
| Acer negundo | Box Elder | 3 | 1 |
| Acer rubrum | Red Maple, Drummond's maple, Swamp Maple | 3 | 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 grandidentatum | Big-Tooth Maple, Canyon Maple, Rocky Mountain Sugar Maple | 4 | 0 |
| Acer saccharum nigrum | Black Maple | 4 | 1 |
| Acer tataricum | Tatarian Maple | 2 | 0 |
| Acer truncatum | Shantung Maple, Purpleblow Maple | 1 | 0 |
| Achnatherum hymenoides | Indian Millet, Indian ricegrass | 3 | 0 |
| Achyranthes aspera | Devil's Horsewhip | 2 | 3 |
| Achyranthes bidentata | Niu Xi | 2 | 3 |
| Aegilops speltoides | Goatgrass | 1 | 0 |
| Aegilops triuncialis | Barbed goatgrass, Barb goatgrass | 1 | 0 |
| Aesculus californica | Californian Buckeye, California Horsechestnut | 3 | 1 |
| Aesculus chinensis | Chinese Horse Chestnut | 3 | 1 |
| Aesculus flava | Sweet Buckeye, Yellow buckeye | 4 | 0 |
| Aesculus glabra | Ohio Buckeye, Fetid Buckeye | 2 | 1 |
| Aesculus hippocastanum | Horse Chestnut, European Horsechestnut, Common Horsechestnut | 3 | 4 |
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