fruiting body_surface_smooth
<basidioma> glabrous
upper surface first finely tomentose and ochraceous to pinkish fawn, soon agglutinating and glabrous, darkening to almost black in old specimens, sometimes covered with green algae, concentrically zoned and sulcate, often uneven and warted, irregularly cracking up both in radial and tangential direction making the surface highly coarse, margin thin to rather thick, most often acute, entire, usually greyish to brown
Trichaptum sprucei
Phaeodaedalea incerta