Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer

Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer is a synonym sensu FNA Ed. Comm., 2006a of:

Sonchus arvensis subsp. uliginosus (M. Bieberstein) Nyman, an accepted subspecies name sensu FNA Ed. Comm., 2006a.