marsh horsetail —  Equisetum palustre {horsetail family — Equisetaceae}
Flora of the Yukon Territory, Cody, p. 029b
 { 1/500 sec, f8.0} – { , Kluane National Park, Yukon} – {05/07/03 Saturday, July 5, 2003; 1:23:52 PM}