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Wildflowers of the Pacific Northwest Trees & Shrubs of the Pacific Northwest Weeds of the Pacific Northwest Eastern Washington and Oregon in Bloom Western Washington and Oregon in Bloom

Browse Plants by Genus: Polygonum

Polygonum aviculare
Polygonum aviculare
Common Knotweed
Buckwheat
Polygonum douglasii
Polygonum douglasii
Douglas's Knotweed
Buckwheat
Polygonum minimum
Polygonum minimum
Broadleaf Knotweed
Buckwheat
Polygonum paronychia
Polygonum paronychia
Beach Knotweed
Buckwheat
Polygonum polygaloides
Polygonum polygaloides
White-Margined Knotweed
Buckwheat
Polygonum shastense
Polygonum shastense
Shasta Knotweed
Buckwheat