BOROVIČKA J. (2008): The wood-rotting bluing Psilocybe species in Central Europe - an identification key. Czech Mycology 60(2): 173-192 [published: 27th February, 2009]
SEMERDŽIEVA M., NERUD F. (1973): Halluzinogene Pilze in der Tschechoslowakei. Česká Mykologie 27(1): 42-47 [published: 1973]