The Mckennaii cubensis spores are named after the famous psychonaut and researcher Terrence McKennaii. The exact origin form this strain is unknown. The Mckennaii grows wild hand-shaped mycelium knots, with lots of medium sizes mushrooms. Caps are brown and can grow small or wide. The Mckennaii is a highly potent mushroom when grown in the right conditions.

The spores are available in vials and syringes.