The Role of Mushrooms in Nature -

The Role of Mushrooms in Nature,
By Paul Stamets,
The Overstory #86,
Agroforestry Ejournal,

Scroll down to the paragraphs labeled "Saprophytic Mushrooms: The Decomposers" to read about primary, secondary, and tertiary fungi that decompose organic material. Each group plays an important role in returning hydrogen, carbon, and minerals back into an ecosystem.