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Photo © 1990 Clayton J. Antieau. Usage restrictions: All photographs copyrighted by Clayton J. Antieau may be used without prior permission for strictly personal use or classroom instruction. Prior permission is requested 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: Clayton J. Antieau
Date Photographed: August 17, 1990
Location: U.S.A., Washington, Yakima County: Unit 1, Tigger Sale, Pileup Creek Watershed, Naches Ranger District, Wenatchee National Forest.
Elevation: [not provided]
Coordinates: [not provided]
Phenology: Fertile
