shepherd's purse —  Capsella bursa-pastoris {mustard family — Brassicaceae (Cruciferae)}
Flora of the Yukon Territory, Cody, p. 330c
 { 1/320 sec, f4.5} – {McIntyre Ck. college, Whitehorse, Yukon} – {12/08/09 Wednesday, August 12, 2009; 2:33:14 PM}