white sweet-clover —  Melilotus alba {pea family — Fabaceae (Leguminosae)}
Flora of the Yukon Territory, Cody, p. 416a
 { 1/256 sec, f3.4} – {Paddys Pond/Ice Lake, Whitehorse, Yukon} – {30/09/01 Sunday, September 30, 2001; 3:59:56 PM}