Spores: Rusty-brown
Trails: Griffin, Kent, Volunteer Canyon, Garden Club Canyon
Parasitic and Saprophytic
found on trunks and logs of hardwoods, especially common on California Bay Laurel. The fruiting body is perennial and can live for many years.
Ganoderma brownii is a species of polypore fungus in the Ganodermataceae family. It is a plant pathogen and occasional saprotroph similar in appearance to Ganoderma applanatum. This species is restricted geographically to the Pacific Northwest, primarily observed in California. In the San Francisco Bay Area, it is very common on Umbellularia californica.