Crotalaria rotundifolia var. vulgaris Windler Crotalaria rotundifolia var. vulgaris Windler in Phytologia 21(4): 264. 1971 sec. Téllez-Valdés 2009=Crotalaria ovalis (Michx.) Pursh, Fl. Amer. Sept. 2: 469. 1814 syn. sec. ???