celery-leaved buttercup —  Ranunculus sceleratus multifidus {crowfoot family — Ranunculaceae}
Flora of the Yukon Territory, Cody, p. 304c
 { 1/100 sec, f6.3} – { , Southern Lakes, Yukon} – {20/08/07 Monday, August 20, 2007; 4:32:21 PM}