arctic aster —  Aster sibiricus {composite family — Asteraceae (Compositae)}
Flora of the Yukon Territory, Cody, p. 569b
 { 1/30 sec, f14.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {14/08/10 Saturday, August 14, 2010; 3:37:02 PM}