marsh ragwort —  Senecio congestus {composite family — Asteraceae (Compositae)}
Flora of the Yukon Territory, Cody, p. 593a
 { 1/30 sec, f9.0} – {Hidden lakes, Whitehorse, Yukon} – {13/08/08 Wednesday, August 13, 2008; 3:12:57 PM}