Found with Peachysteve whilst walking the dogs

Chaetosphaerella phaeostroma above and Steve’s close up below.


Spores 33-37 x 7-8 microns. 3-septate, hyaline end cells and brown central cells.

Beech Tarcrust (Biscogniauxia nummularia) above and ascospore below.

Spores 12-14 x 7-9, ellipsoid almost black.