Piptoporus betulinus, birch polypore, birch bracket, or razor strop.
Be advised to verify identification. I am a photographer not a mycologist.
Size: 5323px × 3744px
Photo credit: © Stuart Aylmer / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: betulinus, birch, bracket, dead, fungi, fungus, mushroom, piptoporus, polypore, polyporous, razor, strop, tree, trees, woodland