| Stachys repens M. Martens & Galeotti, 1844 |
| Stachys rigida Nutt. ex Benth., 1848 |
| Stachys rotundifolia Moc. & Sessé ex Benth., 1834 |
| Stachys sanchezii Rzed. & A. García, 1984 |
| Stachys sandersii B.L. Turner, 1994 |
| Stachys schiedeana Schltdl., 1832 |
| Stachys stebbinsii G.A. Mulligan & D.B. Munro, 1990 |
| Stachys tamaulipana B.L. Turner, 2013 |
| Stachys tenerrima Epling, 1934 |
| Stachys tlaxiacana B.L. Turner, 2013 |
| Stachys torresii B.L. Turner, 1994 |
| Stachys turneri Rzed. & Calderón, 1995 |
| Stachys venulosa Greene, 1888 |
| Stachys vulnerabilis Rzed. & Calderón, 1988 |
| Subrotundae (Epling) Epling, 1938 |
| Synandreae Raf., 1837 |
| Tectona L. f., 1782 |
| Tectona grandis L. f., 1782 |
| Tectonoideae Bo Li & Olmstead, 2017 |
| Tetraclea A. Gray, 1853 |