15-04-2025 15:06
Francois Guay
I found this small white disco on decaying deciduo
10-04-2025 10:09
Mathias Hass
Hi, Found in March on last years stick from Rubus
15-04-2025 21:39
Andreas Gminder
Dear all,struggeling as every year with the aquati
13-04-2025 22:47
éric ROMERO
Bonjour, Je sollicite votre avis pour cette colle
09-04-2025 19:37
Miguel Ángel Ribes
Good afternoon This 1-2 mm Mollisia was growing o
14-04-2025 23:19
Viktorie Halasu
Hello, I've microscoped exsiccate of an Otidea wh
14-04-2025 15:11
Lennert GeesGreetings!For my master's dissertation I work on c
13-04-2025 10:21
Castillo Joseba
Mer mandan el material de Galicia (España), rec
13-04-2025 13:00
Zuzana Sochorová (Egertová)
Hello,I guess the best option how to label this co
I am struggling with a small pyreno that I collected on bark of Quercus faginea. The pseudothecia grew gregariously and an rather small, around 0,3-0,4 mm. Asci are bitunicate with a fissitunicate dehiscence, 75-85 x 12-13µm. Spores measure 18-22 x 6-7 µm, hyaline and apparently without a gelatinous sheath. The hamathecium is very dense and composed of branched hyphae.The peridium is 30-40 µm thick.
I have been looking into Massaria. The key of the Massarina monograph leads to Massarina corticola, but the asci and spores of this collection are smaller. Probably not a Massarina at all.
Thank you in advance for your help.
Cheers,
Ibai.
this is a species of the genus Didymella. I have similar collections also from bark of Catalpa bignioides.
cheers
björn