Schoenocaulon texanum Scheele in Linnaea 25: 262. 1852 sec. Espejo-Serna & López-Ferrari 2008
- =Schoenocaulon drummondii A. Gray ex Torr. in Rep. U.S. Mex. Bound. 2: 222. 1859 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Sabadilla drummondii (A. Gray ex Torr.) Kuntze, Revis. gen. pl. 2: 713. 1891 syn. sec. Espejo-Serna & López-Ferrari 2008