In Oregon’s Blue Mountains, patches of dying trees once looked like separate outbreaks, scattered across ridges and drainages as if disease had struck at random. Instead, scientists found something ...

Here’s a fun fact: The world’s largest organism isn’t a well-fed elephant or a blue whale or even a giant sequoia. It’s a fungus. A Facebook post from July 20 about the Armillaria is one of the latest ...

If you have a yard full of trees (don’t worry about palms because they are not a host for this fungus) and shrubs, be on the lookout for the mushrooms of Armillaria root rot. It is a fungus that can ...

Armillaria species represent a group of soilborne fungal pathogens and saprotrophs that exert profound influence on forest health worldwide. Their capacity to form extensive networks of rhizomorphs ...

A very common sight this year in our landscapes, judging by the phone calls we have gotten, is the presence of clumps of honey-colored mushrooms. These mushrooms are the spore-producing structures of ...