Xylolobus frustulatus
STERIACEAE (Steriaceae)

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This fungus looks like whitish tile fragments put together carefully with black grout. It can grow in patches up to 2 feet (or more) across and individual fruiting bodies up to about one inch across, The patches are irregularly polygonal and have a smooth surface or one that is minutely pimpled. It is whitish to grayish or brownish (or at maturity slightly pinkish or orangish) with sides that are dark brown to black.

It is usually found on the dry, well-decayed wood of oaks year round. It is fairly widely distributed in eastern North America, Its overall occurrence at Fontenelle Forest is not known. So far it has only been found once on Ridge trail.

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