northern butterweed —  Senecio cymbalaria {composite family — Asteraceae (Compositae)}
Flora of the Yukon Territory, Cody, p. 593b
 { 1/60 sec, f11.0} – {Rake Mountain, Tombstone Territorial Park, Yukon} – {27/06/10 Sunday, June 27, 2010; 12:51:38 PM}