goat's-beard, goatsbeard —  Aruncus dioicus {rose family — Rosaceae}
Flora of the Yukon Territory, Cody, p. 381b
 { 1/40 sec, f18.0} – { , Klondike Hwy, South, Yukon} – {08/07/09 Wednesday, July 8, 2009; 4:25:59 PM}