Desmodium procumbens (Mill.) Hitchc. var. procumbens Desmodium procumbens (Mill.) Hitchc. var. procumbens in Annual Rep. Missouri Bot. Gard. 4: 76. 1893 sec. Roskov, Y. R., Bisby, F. A., Zarucchi, J.L., Schrire, B.D. & White, R.J. (Eds.) 2015