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.
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