Zeugites americanus var. pringlei (Scribn.) McVaugh, Fl. Novo-Galiciana 14: 413. 1983 sec. Dávila & al. 2018
- ≡Zeugites pringlei Scribn. in Bull. Div. Agrostol., U.S.D.A. 11: 50, t. 6. 1898 syn. sec. Dávila & al. 2006
- =Senites pringlei (Scribn.) Hitchc. in Contr. U.S. Natl. Herb. 17(3): 369. 1913 syn. sec. Dávila & al. 2006