Birch Cushion
Description
Fruit-body elongate, rounded cushion-shaped, 2-6 x 1-3 cm, rusty brown to black, regularly undulate lumpy, with papillae.
Occurrence
On thick branches and dead trunks (Birch and Alder).
Saprophyte.
Related and/or similar species
- Hypoxylon serpens
- Ustulina deusta