purple bittercress —  Cardamine purpurea {mustard family — Brassicaceae (Cruciferae)}
Flora of the Yukon Territory, Cody, p. 333b
is this really? { 1/180 sec, f8.0} – {Grey Mountain, Whitehorse, Yukon} – {26/07/03 Saturday, July 26, 2003; 2:14:19 PM}