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05-03-2026 10:07

White apothecia on pine cone
Hulda Caroline Holte

Hello, I found and collected this species growing

07-03-2026 13:06

Phaeohelotium parasulphuratus ?
éric ROMERO éric ROMERO

Bonjour tous, Sur cône d'épicea fortement imbu,

23-12-2025 08:27

Hymenoscyphus?
Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

28-02-2026 11:05

Peziza
Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

08-03-2026 14:05

Helvella lacunosa
Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

07-03-2026 22:22

Volutella?
Josep Torres Josep Torres

Hello.Some very tiny conidiomes collected in the D

06-03-2026 17:51

Orbilia?
William Slosse William Slosse

Good evening all,On March 4, 2026, I found the fol

05-03-2026 16:30

Is this Diaporthe rudis?
François Bartholomeeusen

Dear forum members, On the 2nd of February 2026,

06-03-2026 09:41

indian literature
Alain GARDIENNET Alain GARDIENNET

Hi forum, I'm now looking for another reference c

05-03-2026 19:29

Ciboria caucus?
William Slosse William Slosse

Good evening everyone,On March 4, 2026, I found th

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Aquatic Pyrenomycete with spores 90 x 18 µm
Andreas Gminder, 06-06-2017 20:28
Andreas Gminder

Dear collegues,


during a research on teleomorphs of aquatic ascomycetes we came across this pyrenomycete today, on submerged log of Fagus.


The macrofoto is quite bad, sorry! But may be it is still a little bit helpful. The perithecia are single, black and nearly superficially seated, in small group but never toucing one another.


Spores multicellular, first hyaline than brown, becoming 8-celled, with an hyaline appendix (not always visible), appr. 90 x 18 µm


Asci bitunicate (?)


Anyone an idea?


Thank you very much,
Andreas

  • message #49170
  • message #49170
  • message #49170
Gernot Friebes, 06-06-2017 20:31
Re : Aquatic Pyrenomycete with spores 90 x 18 µm
Hi Andreas,

looks like Trematosphaeria hydrela.

Best wishes,
Gernot
Andreas Gminder, 06-06-2017 20:33
Andreas Gminder
Re : Aquatic Pyrenomycete with spores 90 x 18 µm

Hallo Gernot,


besten Dank!!


herzliche Grüße,
Andreas

Lothar Krieglsteiner, 06-06-2017 20:34
Lothar Krieglsteiner
Re : Aquatic Pyrenomycete with spores 90 x 18 µm

ja- Trematosphaeria hydrela. Gernot war schneller :-)


Nicht selten in Bächen, fand ich früher, als ich z.B. in Rhön und Rothaar-Gebirge an solchen Stellen suchte, häufiger.


LG Lothar

Andreas Gminder, 06-06-2017 20:38
Andreas Gminder
Re : Aquatic Pyrenomycete with spores 90 x 18 µm

Hallo Lothar,


auch Dir natürlich herzlichen Dank!


beste Grüße aus dem Bayerwald,
Andreas