| Dasylirion recurvatum J.F. Macbr., 1918 |
| Dasylirion sereke Bogler, 1998 |
| Dasylirion serratifolium (Karw. ex Schult. f.) Zucc., 1838 |
| Dasylirion simplex Trel., 1911 |
| Dasylirion stewartii I.M. Johnst., 1943 |
| Dasylirion stewartii var. glaucum I.M. Johnst., 1943 |
| Dasylirion stewartii var. stewartii I.M. Johnst., 1943 |
| Dasylirion strictum J.F. Macbr., 1918 |
| Dasylirion texanum Scheele, 1850 |
| Dasylirion texanum var. aberrans (Trel.) Trel., 1912 |
| Dasylirion treleasei (Bogler) Hochstätter, 2011 |
| Dasylirion wheeleri S. Watson, 1879 |
| Dasylirion wheeleri var. durangense (Trel.) Laferr., 1991 |
| Dasylirion wheeleri var. wheeleri S. Watson, 1879 |
| Dasylirion wheeleri var. wislizenii (Trel.) Trel., 1912 |
| Deserticola R.H. Webb & G.D. Starr, 2015 |
| Dichelostemma Kunth, 1843 |
| Dichelostemma capitatum (Benth.) Alph. Wood, 1868 |
| Dichelostemma capitatum subsp. capitatum (Benth.) Alph. Wood, 1868 |
| Dichelostemma capitatum subsp. pauciflorum (Torr.) Keator, 1992 |