Widely distributed, moderately potent psilocybin-containing mushroom — one of the most common temperate dung and compost species, and often the first encountered by accidental foragers.
Saprotrophic on horse dung, compost, lawn mulch, and well-manured soil in temperate climates.
- Modern entheogenic use; no clearly documented traditional ceremony
Frequently appears in mushroom-cultivation grow rooms as a contaminant of substrate. Its cosmopolitan range and ease of identification have made it a familiar landmark species.
Fruits across the warm half of the year on disturbed, manured ground
- Stamets 1996
- Ola'h 1969



