Panaeolus bisporus — an adventitious fungus in central Europe, rich in psilocin Mycologist November 1, 1999 Béatrice Senn-Irlet, Adolf Nyffenegger, Rudolf Brenneisen 6 citations DOI: 10.1016/s0269-915x(99)80107-4 (opens in new tab) Psilocybin Fungus Botany Biology +4