| Reithrodontomys fulvescens subsp. inexpectatus Hall & Villa-Ramírez, 1949 |
| Reithrodontomys fulvescens subsp. infernatis Hooper, 1950 |
| Reithrodontomys fulvescens subsp. intermedius J. A. Allen, 1895 |
| Reithrodontomys fulvescens subsp. mustelinus Howell, 1914 |
| Reithrodontomys fulvescens subsp. nelsoni Howell, 1914 |
| Reithrodontomys fulvescens subsp. tenuis J. A. Allen, 1899 |
| Reithrodontomys fulvescens subsp. toltecus Merriam, 1901 |
| Reithrodontomys fulvescens subsp. tropicalis Davis, 1944 |
| Reithrodontomys gracilis J. A. Allen & Chapman, 1897 |
| Reithrodontomys gracilis subsp. gracilis J. A. Allen & Chapman, 1897 |
| Reithrodontomys gracilis subsp. insularis Jones, 1964 |
| Reithrodontomys gracilis subsp. pacificus Goodwin, 1932 |
| Reithrodontomys griseoflavus Merriam, 1901 |
| Reithrodontomys griseoflavus subsp. griseoflavus Merriam, 1901 |
| Reithrodontomys griseoflavus subsp. helvolus Merriam, 1901 |
| Reithrodontomys hirsutus Merriam, 1901 |
| Reithrodontomys inexpectatus Elliot, 1903 |
| Reithrodontomys intermedius J. A. Allen, 1895 |
| Reithrodontomys klamathensis Merriam, 1899 |
| Reithrodontomys levipes Merriam, 1901 |