Bushman, B.S.; Bhattarai, K.; Johnson, D.A. 2010. Population structures of Astragalus filipes collections from the western North America. Botany. 88: 565-574.
Bushman, B.S.; Bhattarai, K.; Johnson, D.A. 2010. Population structures of Astragalus filipes collections from the western North America. Botany. 88: 565-574.