prickly saxifrage, three-toothed saxifrage —  Saxifraga tricuspidata {saxifrage family — Saxifragaceae}
Flora of the Yukon Territory, Cody, p. 379c
 { 1/640 sec, f3.5} – {Grey Mountain, Whitehorse, Yukon} – {20/07/08 Sunday, July 20, 2008; 3:25:08 PM}