On a broken Betula branch.
Asci 8-spored, IKI+b weak.
Ascospores allantoid, pale yellow-brown, measure in H2O
(6.3) 6.4 - 7.5 (7.7) × (1.3) 1.33 - 1.7 (1.8) µm
Q = (3.7) 3.9 - 5.4 (5.6) ; N = 14
Me = 6.9 × 1.5 µm ; Qe = 4.6