| Psilocybe neoxalapensis Guzmán, Ram.-Guill. & Halling, 2009 |
| Psilocybe novoxalapensis Guzmán & J.Q. Jacobs, 2005 |
| Psilocybe novozoncuantlensis Guzmán, Ram.-Cruz, Ram.-Guill. & Gándara, 2006 |
| Psilocybe oaxacana Guzmán, Escalona & J. Q. Jacobs, 2004 |
| Psilocybe panaeoliformis Murrill, 1923 |
| Psilocybe pegleriana Guzmán, 2000 |
| Psilocybe pleurocystidiosa Guzmán, 1983 |
| Psilocybe pseudobullacea (Petch) Pegler, 1977 |
| Psilocybe rzedowskii Guzmán, 1978 |
| Psilocybe sanctorum Guzmán, 1983 |
| Psilocybe schultesii Guzmán & S. H. Pollock, 1979 |
| Psilocybe singeri Guzmán, 1979 |
| Psilocybe singularis Guzmán, Escalona & J. Q. Jacobs, 2004 |
| Psilocybe spadicea P. Kumm., 1871 |
| Psilocybe subcubensis Guzmán, 1978 |
| Psilocybe subpsilocybioides Guzmán, Lodge & Cantrell, 2003 |
| Psilocybe subtropicalis Guzmán, 1995 |
| Psilocybe subyungensis Guzmán, 1978 |
| Psilocybe subzapotecorum Guzmán, 2000 |
| Psilocybe teofiloi Guzmán, J. Q. Jacobs & Ram.-Guill., 2005 |