water sedge —  Carex aquatilis {sedge family — Cyperaceae}
Flora of the Yukon Territory, Cody, p. 138c
 { 1/50 sec, f8.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {14/08/07 Tuesday, August 14, 2007; 2:44:06 PM}