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Photo © 2010 Ron Bockelman. Usage restrictions: Photos may be used without prior permission for strictly personal use or classroom instruction. Prior permission is required for any other usage, whether educational, non-profit, or commercial, including books, printed material, computer programs, web sites, or any use in which the photos will be publicly accessible. (Contact the photographer.)
Photo metadata:
Original identification: Cirsium arvense
Current identification: Cirsium arvense
Photographer: Ron Bockelman
Date Photographed: August 14, 2010
Location: U.S.A., Washington, Columbia County: Umatilla NF Middle Point Ridge Trail No. 3116, Blue Mountains.
Elevation: 3440 ft.
Coordinates: 46.141°, -117.80544°
Phenology: Flowers
