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02-01-2026 19:35

Thysanophora?
William Slosse William Slosse

Good evening everyone,First of all, my best wishes

02-01-2026 17:43

Spores with a sheath
MARICEL PATINO

Hi there, although I couldn't see the fruitbody, I

01-01-2026 18:35

On rice-grain baited
Spooren Marco Spooren Marco

Original loamy soil aside a artificial lake.The co

31-12-2025 19:27

Baited fungus, help with ID.
Spooren Marco Spooren Marco

Collected from loamy soil, at waterside (completel

29-12-2025 17:51

En Rosmarinus
Blasco Rafael Blasco Rafael

Hola, me pueden ayudar con esta muestra.Recogida s

30-12-2025 16:44

Tubercularia aff. lateritia
Pascal Ducos

Bonjour,Une anamorphe rose stipitée, très nombre

29-12-2025 23:20

Sordariomycetes
éric ROMERO éric ROMERO

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

30-12-2025 17:14

Asco brun sur renouée du Japon (Reynoutria japonica) (d'Albert Grobelny)
Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous aider Albe

30-12-2025 15:31

Starform
Johan Boonefaes Johan Boonefaes

I found this unknown star form by the microscopy o

29-12-2025 10:15

Propolis sp. on Pinus sylvestris
Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

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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.