This is a list of Psathyrella species. Many of its members were formerly classified in the genera Hypholoma, Psilocybe, and Stropharia. Also some well-known species have been moved to new genera, for instance Psathyrella spadicea is now Homophron spadiceum. Lacrymaria lacrymabunda has often been classified as a Psathyrella. According to one 2008 estimate, the genus contains about 400 species.