Appearance
''Cerrena unicolor'' has fruit bodies that are semicircular, wavy brackets up to 10 centimeters wide. Attached to the growing surface without a stalk , the upper surface is finely hairy, white to grayish brown in color, and in zonate—marked with zones or concentric bands of color. The surface is often green from algal growth. The pore surface is whitish in young specimens, later turning gray in maturity. The arrangement of the pores resembles a maze of slots; the tubes may extend to 4 mm deep. The spore print is white.Spores are elliptical in shape, smooth, hyaline, inamyloid, and have dimensions of 5–7 by 2.5–4 µm.
Habitat
''Cerrena unicolor'' causes canker rot and decay in paper birch and sugar maple .References:
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