Representative examples — Species: Astragalus bisulcatus var. major
Astragalus bisculatus.jpgAstragalus bisulcatus BB-1913.jpgAstragalus bisulcatus in NE Montana.jpgAstragalus bisulcatus var. nevadensis.jpgThe natural history of Washington territory (Botany-Plate I) (7493997270).jpgTwin-Groove Milkvetch (3816629110).jpg