Look out for indications of mould. If you see any inexperienced mildew, white fuzzy mildew, or dark black places (mildew) to the mushroom, don't consume it. Don’t stress if you see blue staining—This can be popular in Psilocybe mushrooms and an indicator that the mushrooms have psilocybin.  Ms Rigby explained https://xyzbookmarks.com/story19368647/the-greatest-guide-to-psilocybin-chocolate-bar-usa