 This species is deadly poisonous.They have been shown to contain amatoxins, which are highly toxic to the liver and are responsible for many deaths by poisoning from mushrooms in the genera "Amanita" and "Lepiota".They are sometimes mistaken for "Psilocybe", especially "Psilocybe cyanescens" and "Psilocybe subaeruginosa" species due to their similar looking pileus (cap).