flixweed —  Descurainia sophia {mustard family — Brassicaceae (Cruciferae)}
Flora of the Yukon Territory, Cody, p. 335a
 { 1/40 sec, f18.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {18/08/09 Tuesday, August 18, 2009; 3:38:37 PM}