Hi!
It seems to me these pictures show anamorph of Eutrypella quaternata (Libertella faginea). Only conidia thickness seems to be quite off. Does it exist something similar to Libertella faginea with larger (thicker) spores? Thanks a lot for your reply in advance.
Amadej Trnkoczy

Observation info:
Date.: June 25. 2018 and July 10. 2018
Lat.: 46.360489 Long.: 13.702714
Habitat: mountain mixed wood; Fagus sylvatica, Fraxinus ornus, Ostrya carpinifolia and Picea abies dominant trees; moderately inclined mountain slope, southeast aspect; calcareous, colluvial ground; fungus found on a thicker branch in a large pile of firewood cut down in the neighborhood waiting to be cut to smaller logs; exposed to direct rain; average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 600 m (1.970 feet), alpine phytogeographical region.
Substratum: dead Fagus sylvatica branch.
Place: Lower Trenta valley, between villages So?a and Trenta, right bank of river So?a, near Trenta 2b cottage, East Julian Alps, Poso?je, Slovenia EC.
Microscopy: Conidia filiform, curved, abundant. Dimensions (measured across, not straightened): (16) 18 - 21.3 (21.5) × (1.1) 1.2 - 1.9 (2.1) µm; Q = (9.5) 9.7 - 14.6 (15.7); N = 13; Me = 18.9 × 1.6 µm; Qe = 12. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil; in water; fresh material.