Maitake (hen of the woods), we get them in supermarkets here, never eaten it but it looks really interesting

( mofaha ┐( ˘_˘)┌ ʅ(́◡◝)ʃ, Sat 8 May 2021, 14:29, archived)

They're well yum.
I picked one once that weighed nearly 6 kg.
( Mr. Tea 'ulmmm'/'mmneurgh', Sat 8 May 2021, 15:48, archived)