Watrous, K.; Cane, J.H. 2011. Breeding biology of the threadstalk milkvetch, Astragalus filipes (Fabaceae), with a review of the genus. American Midland Naturalist. 165(2): 225-240.
Watrous, K.; Cane, J.H. 2011. Breeding biology of the threadstalk milkvetch, Astragalus filipes (Fabaceae), with a review of the genus. American Midland Naturalist. 165(2): 225-240.