P.cyanescens, also known as Copelandia cyanescens, blue meanies, or Hawaiian mushrooms, contain 0.48% of psilocin, 0.11% of psilocybin, and 0.02% of baeocystin. It is more potent than the liberty caps, with about 1 to 2 grams of dried form imparting robust effects.
It is considered to be one of the most potent magic mushrooms. It induces both visual and auditory hallucinations. Users have reported seeing bright colored objects. The effects may last up to 6 hours or may extend to 7 hours with higher doses.