Sobre Fagus sylvatica. Det. Joseba Castillo como Scutellinia cejpii
Margin hairs very long, 1700um, with complex roots, 30 to 50um wide and 5 to 7um thick. Growing on well rotted wood. Asci 170um.
Spores (17.6) 18.8 - 21.1 (21.5) × (10.2) 12.1 - 13.6 (14.1) µm
Q = (1.4) 1.5 - 1.7 (2) ; N = 16
Me = 20.1 × 12.7 µm ; Qe = 1.6
Keying out as Scutellinia colensoi (depending on your interpretation of the images . . .)