moonwort —  Botrychium lunaria {adder's-tongue family — Ophioglossaceae}
Flora of the Yukon Territory, Cody, p. 033c
 { 1/30 sec, f29.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {17/06/09 Wednesday, June 17, 2009; 3:34:02 PM}