Original identification: Cirsium arvense
Current identification: Cirsium arvense
Photographer: Gerald D. Carr
Date Photographed: July 19, 2008
Location: U.S.A., Oregon, Benton County: Woods Creek Rd., 3.2 mi. SW of jct. with Hwy 20, W of Philomath. 44.54705, 123.46897.
Elevation: [not provided]
Coordinates: [not provided]
Phenology: Flowers