wormseed mustard —  Erysimum cheiranthoides {mustard family — Brassicaceae (Cruciferae)}
Flora of the Yukon Territory, Cody, p. 350a
 { 1/25 sec, f11.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {27/06/05 Monday, June 27, 2005; 1:21:04 PM}