description Inonotus hispidus Overview
Inonotus hispidus, known as the shaggy bracket or shaggy polypore, is an annual wood-decay fungus with a coarse, hairy upper surface that ranges from orange or rusty brown to dark brown. It colonizes living broad-leaved trees, especially ash, oak, walnut, apple, plane, and elm, and produces white rot in the heartwood. The bracket is therefore relevant to arborists and tree assessors as a visible sign of internal decay, not as an edible mushroom, as described by the [RHS](https://www.rhs.org.uk/biodiversity/bracket-fungi) and the [Larry F Grand Mycological Herbarium](https://ncslg.cals.ncsu.edu/inonotus-hispidus-bull-p-karst/).
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