prickly saxifrage, three-toothed saxifrage —  Saxifraga tricuspidata {saxifrage family — Saxifragaceae}
Flora of the Yukon Territory, Cody, p. 379c
 { 1/1500 sec, f4.5} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {01/06/05 Wednesday, June 1, 2005; 1:04:46 PM}