black-scaled sedge; lesser blackscale sedge —  Carex atrosquama {sedge family — Cyperaceae}
Flora of the Yukon Territory, Cody, p. 141b
 { 1/100 sec, f5.6} – {Fish Lake, Whitehorse, Yukon} – {19/07/08 Saturday, July 19, 2008; 3:26:07 PM}