mountain sorrel —  Oxyria digyna {buckwheat family — Polygonaceae}
Flora of the Yukon Territory, Cody, p. 244a
 { 1/60 sec, f11.0} – {Rake Mountain, Tombstone Territorial Park, Yukon} – {27/06/10 Sunday, June 27, 2010; 2:52:50 PM}