Species
Armillaria ostoyae (Honey mushroom)
Armillaria ostoyae. Photo: (c) Marco Floriani, some rights reserved (CC BY-NC)
Armillaria ostoyae (sometimes called Armillaria solidipes) is a species of plant pathogenic fungus in the Physalacriaceae family. It is the most common variant in the western U.S., of the group of species that all used to share the name Armillaria mellea. Armillaria ostoyae is quite common on both hardwood and conifer wood in forests west of the Cascade crest. The mycelium attacks the sapwood and is able to travel great distances under the bark or between…
Sightings
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