Medicago falcata, a yellow-flowered alfalfa
Oakley, R.A.
Medicago falcata, a yellow-flowered alfalfa - Washington 1917 - 1-70 p. - Alfalfa United States Department of Agriculture. Bulletin No. 428 .
Medicago falcata, a yellow-flowered alfalfa - Washington 1917 - 1-70 p. - Alfalfa United States Department of Agriculture. Bulletin No. 428 .