Oxyporus populinus, also known as the mossy maple polypore and poplar bracket, is a species of fungus in the family Schizoporaceae. It is a plant pathogen that affects trees.
It is typically white (sometimes gray near the center and/or pinkish near the margin), more or less semicircular, and wide, with tough flesh which is inedible.
See also List of apricot diseases List of peach and nectarine diseases List of Platanus diseases List of sweetgum diseases
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