| Stipa tenuissima var. oreophila (Speg.) Speg., 1901 |
| Stipa tenuissima var. planicola Speg., 1901 |
| Stipa tenuissima var. tenuissima Trin., 1836 |
| Stipa trochleais Nees & Meyen, 1841 |
| Stipa vaseyi Scribn., 1898 |
| Stipa verruculosa Mez, 1921 |
| Stipa villosa Walter, 1788 |
| Stipa virescens Kunth, 1815 |
| Stipa virginica Pers., 1805 |
| Stipa virlettii E. Fourn., 1886 |
| Stipagrostis Nees, 1832 |
| Stipagrostis (Nees) Trin. & Rupr., 1842 |
| Stipeae Dumort., 1824 |
| Stipinae Griseb., 1844 |
| Streptachne Kunth, 1815 |
| Streptochaeta Schrad. ex Nees, 1829 |
| Streptochaeta sodiroana Hack., 1890 |
| Streptochaeta spicata Schrad. ex Nees, 1829 |
| Streptochaeta spicata subsp. spicata Schrad. ex Nees, 1829 |
| Streptochaeteae C.E. Hubb., 1934 |