moonwort —  Botrychium lunaria {adder's-tongue family — Ophioglossaceae}
Flora of the Yukon Territory, Cody, p. 033c
 { 1/250 sec, f4.0} – {Mt. McIntyre, Whitehorse, Yukon} – {27/07/08 Sunday, July 27, 2008; 5:09:31 PM}