Section 12-21-9-2 - "Psilocybin"(a) As used in this chapter, "psilocybin" means a naturally occurring psychedelic prodrug compound that is produced by fungi, including members of the genus psilocybe.(b) The term includes psilocin.Added by P.L. 152-2024,SEC. 4, eff. 3/13/2024.