northern water-starwort —  Callitriche hermaphroditica {water starwort family — Callitrichaceae}
Flora of the Yukon Territory, Cody, p. 431b
 { 1/30 sec, f29.0} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {12/06/09 Friday, June 12, 2009; 3:13:21 PM}