Lenzites betulina (Fr.) Fr. Fruit body annual; no stem; broadly attached or with a small stem-like attachment. Bracket up to 8cm across, 5cm wide, 2cm thick, flat, semicircular or fan-shaped, with an even or lobed margin; upper surface white, cream, grayish, or brownish, older specimens often have a green tinge because of algae growing in the fine hairs; tough and leathery with an uneven surface, concentrically grooved, zoned and hairy. Gills forked and fused together in places; white then cream to yellowish brown; undulating or flexuous. Flesh 1-2mm thick, thin, fibrous; white, lighter than the gills. Spores subcylindrical, slightly curved, smooth, 5-6 x 2-3µ. Deposit white. Hyphal structure trimitic; clamps present. Habitat singly or in overlapping groups on hardwoods and coniferous wood. Common. Found in Europe and in mid western and eastern North America, the Pacific Northwest, and California, but extremely rare elsewhere. Season July-November. Not edible.