longleaf arnica —  Arnica lonchophylla {composite family — Asteraceae (Compositae)}
Flora of the Yukon Territory, Cody, p. 558c
 { 1/100 sec, f11.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {24/06/05 Friday, June 24, 2005; 3:09:09 PM}