Leccinum scabrum, also know as Brown Birch Bolete, is a medium to large bolete that has a brown cap with gray-white pores and a white to gray stem covered with with gray-black scales. It grows specifically with birch, often on damp gound.
brown, with reddish or grayish tinges; convex or bun-shaped, at first finely downy, becoming smooth, somewhat scurfy when older. Flesh dirty white, unchanging, thick and firm. Pores
dirty white or grayish brown, circular, small. Tubes same color as pores, adnate. Spores
are ocher-brown. Stem
whitish, covered with gray-brown scales, more or less equal or tapering slightly upwards. Ring absent.
Distinguishing between Leccinum scabrum and its near relatives is difficult, and Leccinum scabrum is often used as a collective name for all brown capped Leccinum species like Leccinum variicolor.
on the www.first-nature.com web site.