Grey/brown on top and white underside, growing on a birch tree.
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
Looks correct id - Piptoporus betulinus
The more I know the more I realise I don't know
Also agree so put Marksteer's scientific name in - I'll agree laTER
Lat/Lng: 54.9394, -1.7239
OS grid ref: NZ177605
On the edge of mixed woodland.