Polygonum parryi |
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Parry's knotweed, prickly knotweed |
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Polygonum parryi |
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Flowering time | June-July |
Habitat | Vernal pools, seasonally damp ground at low elevations. |
Distribution | Occurring in the east end of the Columbia River Gorge in Washington; south-central Washington to California.
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Origin | Native |
Conservation status | Threatened in Washington (WANHP) |
Sibling taxa | |
Web links |
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