Oregon Flora Image Project
Polygonum aviculare L.  ssp. depressum (Meisner) Arcangeli common knotweed - exotic, naturalized
Polygonaceae

Click on an image for a larger version. All images Gerald D. Carr unless otherwise noted.

  Corvallis, Benton Co., OR, 10/16/2005 ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006  
   
ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006 ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006 ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006

 


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