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14-01-2025 10:11

Margot en Geert Vullings

On a dead branch of Cryptomeria that has been lyin

10-01-2025 11:24

Wim de Groot

We found this small black spots on perennial stem

13-01-2025 20:17

Jorge Hernanz

Buenas tardes, adjunto datos de éste pequeño pez

10-01-2025 18:19

Marc Detollenaere Marc Detollenaere

Dear Forum,I found some colonies of orange coloure

19-12-2024 11:54

michel bertrand

Bonjour, Après moultes recherches plutôt infruc

12-01-2025 12:52

Thomas Flammer

Spores cylindrical-fusiform, 7 times septated, IKI

11-01-2025 19:32

Jean-Luc Ranger

Bonjour, je me demande si cette Helvelle ne serait

09-01-2025 20:35

Miguel Ãngel Ribes Miguel Ángel Ribes

Good afternoon This small pink ascomycete, 2 mm i

10-01-2025 03:04

Masanori Kutsuna

Hello, Does anyone have following article and cou

08-01-2025 23:07

Jean-Luc Ranger

Je pensais avoir à faire à un Hypomyces mais les

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Black with a mycelium.
Per Marstad, 27-02-2019 11:16
Per MarstadI have found this in Norway, on Fraxinus excelsior, growing on a bed of mycelium.
Spores 27-28 x 6-8 my, with 3 segments.
I would like to have a name.
Per.

  • message #56514
  • message #56514
Lothar Krieglsteiner, 27-02-2019 11:28
Lothar Krieglsteiner
Re : Black with a mycelium.

Hello Per,


macroscopically this looks much like Chaetosphaerella phaeostroma.


The single spore (is it an ascospore?) could fit, too (but are a bit short) - 3 septa, end cells hyaline.


Best regards, Lothar

Per Marstad, 27-02-2019 11:44
Per Marstad
Re : Black with a mycelium.
In the description in Fungi and Lichens of Great Britain and Ireland tha size of the ascospore is (22-) 31-36 x 6-9 my and the form is exactly like my picture, so your determination is right, I think. Thank you.
Per.