prickly saxifrage, three-toothed saxifrage —  Saxifraga tricuspidata {saxifrage family — Saxifragaceae}
Flora of the Yukon Territory, Cody, p. 379c
 { 1/80 sec, f5.6} – {Hidden lakes, Whitehorse, Yukon} – {20/08/08 Wednesday, August 20, 2008; 3:30:56 PM}