willow-leaved dock —  Rumex salicifolius triangulivalvis {buckwheat family — Polygonaceae}
Flora of the Yukon Territory, Cody, p. 252a
 { 1/30 sec, f14.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {09/08/09 Sunday, August 9, 2009; 5:41:43 PM}