There are no regarded psilocybin-containing mushrooms which have been also toxic — but this doesn’t mean there aren’t any in existence. There are many mushrooms we still don’t know nearly anything about, so it’s possible there are some species that have both of those psilocybin and harmful substances. Here is https://legalization-of-psychedel35654.liberty-blog.com/30519272/what-does-legal-psychedelics-mean