Shrink list ... Habit of Growth:
Mushroom is not protected
Fruiting body: full resupinate, tightly attached to the substrate, forming patches 1-8 mm thick and several, cm to dm in extent, porose surface, whitish, creamy, light yellow to yellow, on vertical substrate with small, ungulate cups, some of which are concrescent, and which project up to 6 mm, pores are rounded angular, margin is thinning out, white, sterile and without pores, subiculum is scarcely 1 mm thick, creamy and amyloid.
Spore print: white-hyaline
Spore: cylindric, allantoid, 4-5 x 1-1,5 μm
Flesh: if fresh soft, if dry brittle to rather chalky, without odor, taste is bitter.
Habitat: on dead wood of broadleaved trees and conifers, on stumps, also on trunks and branches on the ground, grows from summer to fall.
Remarks: causes carbonizing rots