black-tipped groundsel —  Senecio lugens {composite family — Asteraceae (Compositae)}
Flora of the Yukon Territory, Cody, p. 594c
 { 1/250 sec, f3.5} – {Grey Mountain, Whitehorse, Yukon} – {20/07/08 Sunday, July 20, 2008; 3:15:30 PM}