water horsetail —  Equisetum fluviatile {horsetail family — Equisetaceae}
Flora of the Yukon Territory, Cody, p. 028b
 { 1/60 sec, f8.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {18/07/03 Friday, July 18, 2003; 2:59:09 PM}