On the Flemish coast, on a leaf of Ammophila arenaria, I found small hyaline discs with a light green appearance (presence of algae).
The spores are oblong to cylindrical and some of them are septated (even in the ascus). The asci are clavate and turn completely brownish red in IKI (dextrinoid?).
The paraphyses are difficult to distinguish. The fruiting bodies are surrounded by threadlike hyphae.
Who can help to identify this ascomata?

Many thanks in advance,

François

FRB disc-shaped: 190-307 x 171-304 µm
Asci: 24.4 - 27.4 × 9.4 - 10 µm
Spores: (6.8) 7.9 - 10.6 (11.4) × (2.9) 3.4 - 3.9 (4.2) µm
Q = (1.8) 2.1 - 2.8 (3.4) ; N = 60
Me = 9.1 × 3.7 µm ; Qe = 2.5