Urochloa venosa (Swallen) Morrone & Zuloaga Urochloa venosa (Swallen) Morrone & Zuloaga in Darwiniana 32 (1-4): 74. 1993 sec. Dávila & al. 2018≡Panicum venosum Swallen in Contr. U.S. Natl. Herb. 29(9): 415. 1950 syn. sec. Dávila & al. 2006