Watch out for indications of mold. If you see any eco-friendly mildew, white fuzzy mold, or darkish black spots (mildew) to the mushroom, don't try to eat it. Don’t be concerned if you see blue staining—This really is common in Psilocybe mushrooms and an indicator that the mushrooms include psilocybin.  https://chanceiynzn.dgbloggers.com/34288600/what-does-psilocybin-chocolate-bars-mean