Original identification: Cirsium arvense
Current identification: Cirsium arvense
Photographer: Ron Bockelman
Date Photographed: August 21, 2010
Location: U.S.A., Washington, Columbia County: Umatilla NF Rd 46-150 near Edmiston Spring, Blue Mountains.
Elevation: 5245 ft.
Coordinates: 46.16124°, -117.76455°
Phenology: Flowers