Is this a birch polyphore?

[Yashca]

I found this growing on the side of a birch, it looks to me like a birch polyphore. Am I correct?

[NickCantle]

I can see the brown and white mottling on the rim of the bracket, so yes, I'd back up your ID of Piptoporus betulinus.

[leifus]

Originally Posted by NickCantle

I can see the brown and white mottling on the rim of the bracket, so yes, I'd back up your ID of Piptoporus betulinus.

seconded