Tripsacum pilosum Scribn. & Merr. Tripsacum pilosum Scribn. & Merr. in Bull. Div. Agrostol., U.S.D.A. 24: 6, f. 1. 1901 sec. Dávila & al. 2018=Tripsacum pilosum var. guatemalense de Wet & Brink in Amer. J. Bot. 70(8): 1142, f. 4. 1983 syn. sec. Dávila & al. 2006