black medick —  Medicago lupulina {pea family — Fabaceae (Leguminosae)}
Flora of the Yukon Territory, Cody, p. 415b
 { 1/200 sec, f3.5} – { , Klondike Hwy, North, Yukon} – {24/07/07 Tuesday, July 24, 2007; 10:59:19 AM}