| Perymenium glandulosum Brandegee, 1908 |
| Perymenium globosum B.L. Rob., 1907 |
| Perymenium globosum var. globosum B.L. Rob., 1907 |
| Perymenium globosum var. rotundisquamum (S.F. Blake) J.J. Fay, 1978 |
| Perymenium gracile Hemsl., 1881 |
| Perymenium grande Hemsl., 1881 |
| Perymenium grande var. grande Hemsl., 1881 |
| Perymenium grande var. nelsonii (B.L. Rob. & Greenm.) J.J. Fay, 1975 |
| Perymenium grande var. strigillosa B.L. Rob. & Greenm., 1899 |
| Perymenium gymnolomoides (Less.) DC., 1836 |
| Perymenium gypsophilum (B.L. Turner) B.L. Turner, 2007 |
| Perymenium hintonii McVaugh, 1972 |
| Perymenium hintoniorum B.L. Turner, 1991 |
| Perymenium hintoniorum var. gypsophyllum B.L. Turner, 1996 |
| Perymenium hintoniorum var. hintoniorum B.L. Turner, 1991 |
| Perymenium huentitanum B.L. Turner, 1993 |
| Perymenium hypoleucum S.F. Blake, 1916 |
| Perymenium ibarrarum Rzed. & Calderón, 2011 |
| Perymenium inamoenum (Standl.) Steyerm., 1944 |
| Perymenium jaliscense B.L. Rob. & Greenm., 1895 |