balsam poplar —  Populus balsamifera balsamifera {willow family — Salicaceae}
Flora of the Yukon Territory, Cody, p. 212a
 { 1/50 sec, f3.5} – {Campground, Tombstone Territorial Park, Yukon} – {26/06/10 Saturday, June 26, 2010; 10:07:30 PM}