Look out for indications of mildew. If you see any eco-friendly mold, white fuzzy mold, or dim black places (mildew) about the mushroom, will not try to eat it. Don’t stress if the thing is blue staining—That is common in Psilocybe mushrooms and an indicator that the mushrooms include psilocybin.  https://bookmarkingquest.com/story19470962/not-known-factual-statements-about-australia-farm-meds