IAS: jsou snadno zaměnitelné s houbami obsahujícími psilocybin. :)
In many field guides it is erroneously listed as psychoactive, however the mushroom does not produce any psychoactive alkaloids.[3]
It is sometimes mistaken for the psychedelic Panaeolus cinctulus or Panaeolus olivaceus both of which share the same habitat and can be differentiated by their jet black spores. This is probably why Panaeolus foenisecii is occasionally listed as a psychoactive species in older literature
Panaeolus foenisecii - Wikipedia
https://en.m.wikipedia.org/wiki/Panaeolus_foenisecii