Polygonum douglasii   Douglas's knotweed
           
  
Polygonaceae
native                      herbaceous           
Distribution: Foothills, Mid Elevation, West Valley, Conifer Zone

UW Burke Herbarium Link: Polygonum douglasii
USDA Plants Link: Polygonum douglasii   (PODO4)
Flora of North America Link: Polygonum douglasii








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