A friend of mine, Atte van der Berg, specialised in ascomycetes asked me to put this scutellinia lookalike on the forum. Any help is welkom.

Determination :T.A.van den Berg,
Date :21-09-2016.
KM-hok :
Place :Larserbos, gem. Lelystad.
Dutch registert :
Substrate :old Trametes gibbosa.

Apothecia :cuplike, 1 mm Ø, hight 1 mm, occupied
with darkbrown, almost blackish hairs.
Hymenium :greybrown.
Hairs :
Long hairs :to 800 µm long, width 20 µm,
septated, brown, with bifurcate foot.
( Scutellinia-like )
Short hairs: 120 x 10 µm, brown, not
septated, somtimes forked.
Asci :8-sporig, J_, base pleurorynch.
Paraphyses : longer than the asci, width 2,5 µm, head
clubshaped to 5 µm width,
septated, with little grains, who become
brown in Melzer's.
Spores : (measured in asci ) oval, hyaline, wallwidth
1-1,5 µm.

length width Q length
width Q
12,01 9,62 1,24 11,45 8,75 1,30
10,79 7,21 1,49 11,93 8,17 1,47
12,08 8,30 1,45 10,08 7,81 1,29
11,44 8,58 1,33 11,08 8,32 1,33
11,32 8,59 1,31 11,14 8,52 1,30
LLaverage.= 11,33 µm,Widthaverage.= 8,38 µm.
Q= 1,24-1,49
10,08-12,08 x 7,21-9,62 µm.

No free spores, spores smooth, presumeable operculate.