Beech Tarcrust

Biscogniauxia nummularia

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Mushrooms

Mushrooms

By Roger Phillips

Published 2006

Beech Tarcrust Biscogniauxia nummularia (Bull.) Kuntze syn. Hypoxylon nummularium Bull. (illustrated 60% life size) Fruit body crust on wood; blackish; shiny. Spores 11–14×7–10¼, broadly elliptical to subglobose; blackish-brown. Asci 125×12¼, cylindrical. Habitat on dead beech; all year. Frequent. Not edible.

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