| Psilocybe aztecorum R. Heim, 1957 |
| Psilocybe banderillensis Guzmán, 1978 |
| Psilocybe barrerae Cifuentes & Guzmán, 1981 |
| Psilocybe borealis Guzmán, 1977 |
| Psilocybe bulbosa (Peck) A. H. Sm., 1948 |
| Psilocybe caerulescens Murrill, 1923 |
| Psilocybe caerulescens var. caerulescens Murrill, 1923 |
| Psilocybe caerulescens var. ombrophila (Heim) Guzmán, 1983 |
| Psilocybe caerulipes (Peck) Sacc., 1887 |
| Psilocybe caribaea Guzmán, T. J. Baroni & Tapia, 2003 |
| Psilocybe castillotovarii Guzmán, 2005 |
| Psilocybe clavata Guzmán, 1983 |
| Psilocybe coprophila (Bull.) P. Kumm., 1871 |
| Psilocybe cordispora R. Heim, 1959 |
| Psilocybe cubensis (Earle) Singer, 1948 |
| Psilocybe fagicola R. Heim & Cailleux, 1959 |
| Psilocybe fagicola var. fagicola R. Heim & Cailleux, 1959 |
| Psilocybe fagicola var. mesocystidiata Guzmán, 1978 |
| Psilocybe fuliginosa (Murrill) A. H. Sm., 1948 |
| Psilocybe galindoi Guzmán, 1978 |