Buy Cambodian Magic Mushroom UK from 420WeedUK This is a very nice mushroom from South East Asia. The spores were discovered at the well-known Angkor Wat temple, by the famous authority on hallucinogenic mushrooms, John Allen, on one of his trips to Cambodia. This is one of the strains that is recommended to beginning researchers.Cambodian Magic Mushrooms, also known as P. Cubensis Cambodia is an old-school strain originally collected by the famous mycologist John Allen. These shrooms were found growing in the cattle dung around the Angkor Wat Temple at Siem Reap, Cambodia. These little brown mushrooms are known to grow very quickly and known to be quite strong.