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Laetiporus sulphureus
Laetiporus sulphureus is a species of bracket fungus (fungus that grows on trees) found in Europe and North America. Its common names are crab of the woods, sulphur polypore, sulphur shelf, and chicken of the woods. Its fruit bodies grow as striking golden-yellow shelf-like structures on tree trunks and branches. Like other bracket fungi, they may last many years and fade to pale grey or brown. The undersurface of the fruit body is made up of tubelike pores rather than gills. Laetiporus sulphureus is a saprophyteand causes brown cubical rot in the heartwood of trees on which it grows. Unlike many bracket fungi, it is ediblewhen young. Wikipedia
Tree stump in Stafford Lake Park, Novato, CA.
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