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Polygonum douglasii

5 photos found

Douglas' knotweed
Polygonum douglasii
Columbia Hills State Park, Klickitat County, Washington (11/24/23)
Douglas' knotweed
Polygonum douglasii
Wildhorse Lake Trail, Steens Mountain, Oregon (8/10/23)
Douglas' knotweed
Polygonum douglasii
Ironstone Mountain Trail, William O. Douglas Wilderness, Washington (7/18/23)
Douglas' knotweed
Polygonum douglasii
Tahoe Meadow, Humboldt-Toiyabe National Forest, Nevada (8/4/20)
Douglas' knotweed
Polygonum douglasii
Pacific Crest Trail, Klamath National Forest, California (6/25/20)

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