Shrooms – Amazonian The history of the PES Amazonian magic mushroom This strain was found in the Amazonian jungle, and Pacifica Spora a company that was the first to develop it. If you are looking for that authentic psychedelic experience, this strain is for you. Effects The PES Amazonian is the perfect strain for an intense visual trip with close friends or for a party night. When looking at various sites, notably Erowid, you will notice that the PES Amazonian has many positive feedback. Experienced shroomers have titled this gift of nature as a versatile cubensis: great for all situations & occasions. Although they do caution to go slowly until you have an idea of how they affect your mind & body experience. Dosage guide The typical dose for most magic mushrooms is between 1 & 2.5 grams of dried shrooms, depending on your tolerance. You should always start off with a smaller dosage & work your way up.