white sweet-clover —  Melilotus alba {pea family — Fabaceae (Leguminosae)}
Flora of the Yukon Territory, Cody, p. 416a
 { 1/80 sec, f18.0} – {McIntyre Ck. college, Whitehorse, Yukon} – {13/08/09 Thursday, August 13, 2009; 2:02:51 PM}