Original identification: Sonchus arvensis ssp. uliginosus
Current identification: Sonchus arvensis ssp. uliginosus
Photographer: Robert L. Carr
Date Photographed: August 5, 2009
Location: U.S.A., Washington, Stevens County: Valley, Washington .
Elevation: 1700 ft.
Coordinates: [not provided]
Phenology: Flowers and Fruits