The Largest Mushroom in North America?

The largest mushroom in North America? The largest in the world? Paul Stamets visits the most massive conk alive of Bridgeoporus nobilissimus, the Noble Polypore, growing from a old-growth stump in central Oregon. This endangered species is a mycological mystery. This noble elder mushroom has taken the title of largest living mushroom in the world from a specimen of Rigidoporus ulmarius, at the Kew Royal Botanic Gardens in England, which succumbed to foxes building a den underneath it.
Previous article MycoPesticide Update