arctic dock —  Rumex arcticus {buckwheat family — Polygonaceae}
Flora of the Yukon Territory, Cody, p. 250b
 { 1/80 sec, f14.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {14/08/10 Saturday, August 14, 2010; 2:43:47 PM}