| Latin Name | Common Name | Family | Synonyms | Edibility Rating | Medicinal Rating |
| Fagopyrum dibotrys | Perennial Buckwheat | Polygonaceae | F. cymosum. (Trev.)Meissn. Polygonum chinense. P. dibotrys. | 4 | 2 |
| Fagopyrum esculentum | Buckwheat | Polygonaceae | F. sagittatum. F. vulgare. Polygonum fagopyrum. - correct name? | 4 | 3 |
| Fagopyrum tataricum | Tartarian Buckwheat | Polygonaceae | Polygonum tataricum. | 3 | 1 |
| Muehlenbeckia axillaris | Sprawling wirevine | Polygonaceae | M. hypogaea. M. nana. Polygonum axillare. | 3 | 0 |
| Polygonum alaskanum | Alaska Wild Rhubarb | Polygonaceae | P. phytolaccaefolium. Meisn.&Small. | 2 | 1 |
| Polygonum alpinum | Alpine Knotweed, Alaska wild rhubarb | Polygonaceae | P. undulatum | 2 | 1 |
| Polygonum amphibium | Willow Grass, Water knotweed, Longroot smartweed, Water smartweed | Polygonaceae | Persicaria amphibia. | 1 | 2 |
| Polygonum arenastrum | Small-Leaved Knotweed, Oval-leaf knotweed | Polygonaceae | P. aequale. Lindm. P. littorale. auct. pro parte. P. microspermum. P. calcatum. | 2 | 3 |
| Polygonum aviculare | Knotweed, Prostrate knotweed | Polygonaceae | P. heterophyllum. P. littorale. | 2 | 3 |
| Polygonum barbatum | Joint Weed | Polygonaceae | | 1 | 1 |
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