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12-11-2021 00:03

Lepista Zacarias

Hi everybody,A week ago in my fiels trip I noticed

29-12-2025 23:20

éric ROMERO éric ROMERO

Bonjour, Une récolte du mois d'août 2025 en tou

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Isabelle Charissou

Bonjour,J'aimerais savoir si d'autres personnes au

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Blasco Rafael Blasco Rafael

Hola, me pueden ayudar con esta muestra.Recogida s

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Bernard CLESSE Bernard CLESSE

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Gernot Friebes

Hi,I'm looking for help with this hyphomycete with

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Josep Torres Josep Torres

Hello.A tiny ascomycete sprouting under Juniperus

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Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

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Hi,could anyone help me identify this, I suspect P

24-12-2025 18:12

Ethan Crenson

Hello all, A friend found this Orbilia growing on

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Dothideomycetes
Bernard Declercq, 20-08-2012 21:31
Bernard DeclercqHi,

A friend of mine sent me a collection on decorticated branch of Quercus rubra.
Ascomata superficial, crowded, +/- globose, 0,3-0,4(0,45) mm diam., rugose, with umbilicate ostiolum, black.?
Asci bitunicate, cyl-clav., with tapering stalk, 8-sp., sp. 2-ser.,  102-112x10-11,5 µm, arising from croziers.
Spores fusiform with pointed ends, smooth, first hyaline, 1-septate and with 3(4) axially aligned LB's per cell, finally pale greyish brown ,3-septate and eguttulate, strongly constricted at the median septum, 21,5-26x4,5-6 µm.
Interascal filaments inconspicuous, septate.

?Who can help me? Thanks in advance.


Bernard


 

  • message #19494
  • message #19494
  • message #19494
  • message #19494
Bernard Declercq, 28-08-2012 11:59
Bernard Declercq
Re : Dothideomycetes
Hi,

The spores made me think from the very beginning on those of Pseudotrichia minor Munk, while the ascomata are very Cucurbitaria-like.
I only know P. minor as an immersed parasite on Amphiporthe leiphaemia.
What is your opinion on my guess?

Bernard