We're talking about Japan's Matsutake mushrooms. Where does the world's most expensive mushroom grows? This mushroom grows in Korea, China, and America. Matsutake mushrooms are an autumnal delicacy.

Japan is one of the leading producers of shiitake mushrooms. These mushrooms are notoriously difficult to cultivate on a commercial ... why forest-grown shiitake mushrooms are so expensive.

Europe produces the most valuable truffles, though truffles can be cultivated and grown around the world. Truffle mushrooms (and other types) are a source of fiber and known to have anti ...