balsam poplar —  Populus balsamifera balsamifera {willow family — Salicaceae}
Flora of the Yukon Territory, Cody, p. 212a
 { 1/30 sec, f11.0} – {Hidden lakes, Whitehorse, Yukon} – {30/08/08 Saturday, August 30, 2008; 2:29:39 PM}