Artist's Brackets?

Artist's Brackets?

Observation - Artist's Brackets? - UK and Ireland. Description: Deep in the wood we came across this bracket covered tree. I'm assuming the brackets on the fallen log are the same. Lots of fine orange dust (spores?) everywhere.

Deep in the wood we came across this bracket covered tree. I'm assuming the brackets on the fallen log are the same. Lots of fine orange dust (spores?) everywhere.