Genus Psilocybe : A systamatic revision of the known species including the history, distribution and chemistry of the hallucinogenic species /

Guzman, Gaston

Genus Psilocybe : A systamatic revision of the known species including the history, distribution and chemistry of the hallucinogenic species / - AR Ganter Verlag , 1983. - 439+40Plates 24.5cms