| Perymenium ovalifolium (A. Gray) B.L. Turner, 1988 |
| Perymenium ovatum Brandegee, 1908 |
| Perymenium oxycarphum S.F. Blake, 1924 |
| Perymenium paneroi B.L. Turner, 1992 |
| Perymenium parvifolium A. Gray, 1880 |
| Perymenium peckii B.L. Rob., 1911 |
| Perymenium pinetorum Brandegee, 1924 |
| Perymenium pringlei B.L. Rob. & Greenm., 1899 |
| Perymenium pringlei var. croceum (B.L. Rob. & Greenm.) J.J. Fay, 1978 |
| Perymenium pringlei var. lancifolium (S.F. Blake) J.J. Fay, 1978 |
| Perymenium purpusii Brandegee, 1914 |
| Perymenium reticulatum J.J. Fay, 1978 |
| Perymenium rogmacvaughii Rzed. & Calderón, 2010 |
| Perymenium ruacophilum Donn. Sm., 1913 |
| Perymenium rude B.L. Rob. & Greenm., 1899 |
| Perymenium sedasanum J.J. Fay, 1978 |
| Perymenium sonoranum (B.L. Turner) B.L. Turner, 2007 |
| Perymenium sotoarenasii Rzed. & Calderón, 2010 |
| Perymenium stenophyllum S.F. Blake, 1919 |
| Perymenium strigillosum (B.L. Rob. & Greenm.) Greenm., 1912 |