PF Classic is a variety of Psilocybe cubensis. As the legend goes, it was Professor Fanaticus who used the Matias Romero variety to create the PF Classic variety that is known today. The PF Classic variety is said to have large caps and stems. These genetics are great to have in any collection and have a wonderful backstory. PF Classic units are dark purplish brown to violet brown.

Psilocybe cubensis unit size range 11.5–17 x 8–11 µm(micrometer).