willow-leaved dock —  Rumex salicifolius triangulivalvis {buckwheat family — Polygonaceae}
Flora of the Yukon Territory, Cody, p. 252a
 { 1/50 sec, f18.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {12/08/09 Wednesday, August 12, 2009; 3:26:52 PM}