Original identification: Sonchus arvensis ssp. uliginosus
Current identification: Sonchus arvensis ssp. uliginosus
Photographer: Craig Althen
Date Photographed: August 11, 2012
Location: U.S.A., Montana, Flathead County: Big Mtn.
Elevation: 4200 ft.
Coordinates: 48.461917° N, 114.340267° W
Phenology: Vegetative