| Schoenocaulon oaxacense (Frame) Zomlefer & Judd, 2008 |
| Schoenocaulon obtusum Brinker, 1942 |
| Schoenocaulon officinale (Schltdl. & Cham.) A. Gray ex Benth., 1840 |
| Schoenocaulon pellucidum Frame, 1989 |
| Schoenocaulon plumosum Frame, 1999 |
| Schoenocaulon pringlei Greenm., 1897 |
| Schoenocaulon regulare Brinker, 1942 |
| Schoenocaulon rzedowskii Frame, 1999 |
| Schoenocaulon tenorioi Frame, 1999 |
| Schoenocaulon tenue Brinker, 1942 |
| Schoenocaulon tenuifolium (M. Martens & Galeotti) B.L. Rob. & Greenm., 1895 |
| Schoenocaulon texanum Scheele, 1852 |
| Schoenocaulon tigrense Frame, 1989 |
| Schoenocaulon yucatanense Brinker, 1942 |
| Stenanthella Rydb., 1900 |
| Stenanthella frigida (Schltdl. & Cham.) R.R. Gates, 1918 |
| Stenanthium (A. Gray) Kunth, 1843 |
| Stenanthium frigidum (Schltdl. & Cham.) Kunth, 1843 |
| Veratrum L., 1753 |
| Veratrum californicum Durand, 1855 |