Day 39 of posting cool mushrooms every day:
Honey mushrooms (Armillaria sp.) are a forest pathogen! They cause white rot, which kills trees.
However, the largest single organism of Armillaria is 2,500 years old and 3.4 square miles (8.8 km2) in Oregon's Malheur Forest!
(Source: bit.ly/49Xibih)
