| Nolina recurvata (Lem.) Hemsl., 1884 |
| Nolina rigida (Brongn.) Trel., 1911 |
| Nolina robusta L. Hern., 2019 |
| Nolina rodriguezii Ruiz-Sanchez, P. Carrillo & L. Hern., 2019 |
| Nolina stricta (Lem.) Cif. & Giacom., 1950 |
| Nolina texana S. Watson, 1879 |
| Nolina texana var. compacta (Trel.) I.M. Johnst., 1943 |
| Nolina texana var. texana S. Watson, 1879 |
| Nolina watsonii (Baker) Hemsl., 1884 |
| Nolina wolfii (Munz) Munz, 1974 |
| Nolinoideae Burnett, 1835 |
| Ornithogaleae Rouy, 1910 |
| Ornithogalum L., 1753 |
| Ornithogalum bivalve L., 1753 |
| Ornithogalum caudatum Jacq., 1789 |
| Ornithogalum gramineum Sims, 1823 |
| Ornithogalum hirsutum L., 1753 |
| Ornithogalum thyrsoides Jacq., 1776 |
| Parryanae Hochstätter, 2015 |
| Parviflorae Hochstätter, 2015 |