| Salvia mexiae Epling, 1939 |
| Salvia mexicana L., 1753 |
| Salvia mexicana var. major Benth., 1833 |
| Salvia mexicana var. mexicana L., 1753 |
| Salvia michoacana Fernald, 1900 |
| Salvia micrantha Vahl, 1804 |
| Salvia microcalyx Scheele, 1849 |
| Salvia microphylla Kunth, 1818 |
| Salvia microphylla var. canescens A. Gray, 1886 |
| Salvia microphylla var. microphylla Kunth, 1818 |
| Salvia microphylla var. neurepia (Fernald) Epling, 1939 |
| Salvia microphylla var. wislizeni A. Gray, 1886 |
| Salvia miniata Fernald, 1900 |
| Salvia misella Kunth, 1818 |
| Salvia mocinoi Benth., 1833 |
| Salvia modica Epling, 1939 |
| Salvia mohavensis Greene, 1892 |
| Salvia molina Fernald, 1904 |
| Salvia mollissima M. Martens & Galeotti, 1844 |
| Salvia monantha Brandegee ex Epling, 1938 |