balsam poplar —  Populus balsamifera balsamifera {willow family — Salicaceae}
Flora of the Yukon Territory, Cody, p. 212a
 { 1/125 sec, f8.0} – {airport, Whitehorse, Yukon} – {01/05/04 Saturday, May 1, 2004; 10:10:14 AM}