Our strain guides cover the history, origin and appearance of popular Psilocybe cubensis strains. Each guide links to that strain’s spore syringe, and you can also browse all of our spore syringes.
'Blue Meanie' is both an Australian strain of Psilocybe cubensis and the nickname of Panaeolus cyanescens, a different genus. How to tell them apart by eye and under the microscope, plus the strain's history.
B+ is a 1990s Florida strain of Psilocybe cubensis with broad caramel caps and a heavy spore drop. Its origin lore, why the 'azurescens hybrid' story is a myth, and what its spores look like at 400×.
Jedi Mind Fuck is an early-2000s Psilocybe cubensis strain with two competing origin stories and, since 2025, a place in the first FDA-cleared U.S. trial of whole mushrooms. History, appearance and spores.
Golden Teacher is a 1980s strain of Psilocybe cubensis, usually said to come from Florida, and the reference strain for microscopy. Its real history, what it looks like, and what its spores look like at 400×.
