celery-leaved buttercup —  Ranunculus sceleratus multifidus {crowfoot family — Ranunculaceae}
Flora of the Yukon Territory, Cody, p. 304c
 { 1/30 sec, f10.0} – {Hidden lakes, Whitehorse, Yukon} – {16/08/08 Saturday, August 16, 2008; 3:03:49 PM}