Original identification: Sonchus arvensis
Current identification: Sonchus arvensis
Photographer: Ben Legler
Date Photographed: September 15, 2005
Location: U.S.A., Washington, Snohomish County: Mouth of Ebey's Slough southwest of Marysville.
Elevation: [not provided]
Coordinates: [not provided]
Phenology: Flowers
Voucher Specimen: Giblin, WTU Herbarium