Where it Grows - Poria Cocos is a mushroom that grows in the orient and in China it’s called Fu-Ling. The Poria mushroom that grows in rotting logs and in the roots of trees and is used for cooking in China… and it looks like a very large truffle.   Poira has been used in China for over 2,000 years, and it even grows in the US and was used in the past as food by Native Americans when food was ha…