(Alt: Sonchus arvensis ssp. uliginosus )
Asteraceae (Alt: Compositae )
invasive herbaceous Greenbelt
UW Burke Herbarium Link: Sonchus arvensis var. glabrescens
USDA Plants Link: Sonchus arvensis var. glabrescens (SOARU)
Wildflower walks along the Boise Front
UW Burke Herbarium Link: Sonchus arvensis var. glabrescens
USDA Plants Link: Sonchus arvensis var. glabrescens (SOARU)