sparrow's egg lady's slipper —  Cypripedium passerinum {orchid family — Orchidaceae}
Flora of the Yukon Territory, Cody, p. 206c
 { 1/125 sec, f7.1} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {28/06/05 Tuesday, June 28, 2005; 3:12:27 PM}