dwarf scouring rush —  Equisetum scirpoides {horsetail family — Equisetaceae}
Flora of the Yukon Territory, Cody, p. 030b
is this scirpoides? { 1/60 sec, f7.1} – {Grey Mountain, Whitehorse, Yukon} – {20/07/08 Sunday, July 20, 2008; 2:55:00 PM}