dwarf scouring rush —  Equisetum scirpoides {horsetail family — Equisetaceae}
Flora of the Yukon Territory, Cody, p. 030b
 { 1/45 sec, f8.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {17/05/04 Monday, May 17, 2004; 2:53:13 PM}