[Fleeceflowers and Knotweeds: The Genera Aconogonon, Bistorta, Fagopyrum, Fallopia, Persicaria and Polygonum East of the Cascades of Oregon and Washington]

Dwarf desert knotweed observed along Forest Road 3915 between Dismal Creek and the North Fork Twelvemile Creek, Fremont-Winema National Forest......July 31, 2020.