arrow-leafed coltsfoot —  Petasites sagittatus {composite family — Asteraceae (Compositae)}
Flora of the Yukon Territory, Cody, p. 590a
 { 1/30 sec, f14.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {11/08/09 Tuesday, August 11, 2009; 3:21:35 PM}