sparrow's egg lady's slipper —  Cypripedium passerinum {orchid family — Orchidaceae}
Flora of the Yukon Territory, Cody, p. 206c
 { 1/200 sec, f9.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {30/06/07 Saturday, June 30, 2007; 3:07:37 PM}