Mckenna, named after the psychonaught and philosopher Terrence Mckenna, is a rare magic mushroom with a famous pedigree. The strain is psilocybe cubensis, a species of psychedelic mushroom where the main active elements are psilocybin and psilocin. This particular variety is also known as McKennaii magic mushrooms.
Terence McKenna was an American psychonaut, lecturer, and writer. McKenna was noted for his knowledge, and the ability to articulate this knowledge, of the use of psychedelics, metaphysics, plant-based entheogens, and subjects ranging from shamanism, language, historical and civilizational timelines, the theoretical origins of human consciousness, and his concept of novelty theory.