Hornemann's willowherb —  Epilobium hornemannii {evening primrose family — Onagraceae}
Flora of the Yukon Territory, Cody, p. 444c
 { 1/180 sec, f8.0} – { , Mayo, Keno, Yukon} – {20/07/03 Sunday, July 20, 2003; 2:56:03 PM}