Original identification: Lactuca serriola
Current identification: Lactuca serriola
Photographer: Craig Althen
Date Photographed: August 11, 2012
Location: U.S.A., Montana, Flathead County: Flathead County, MT; Big Mtn.
Elevation: 4100 ft.
Coordinates: [not provided]
Phenology: Vegetative
Comments: Very young specimen, leaves yet without spines on midrib.