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03-02-2026 20:44

Mycoparasite with irregular conidia
Zetti Mario

When I first saw this white mould on an Agaricus s

18-08-2025 15:07

pyrenomycete on dead parts of foliose liverwort from Norway
Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Dark disc on Populus
Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Lichénicole sur Lobaria
Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Lichénicole sur Peltigera
Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Lichenicole hypocreale
Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Scutellinia hirta ? sur souche moussue
Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Lambertella sur Olea
Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

Calycina ?
éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Small hairy discs on Castanea
Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

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Anthostomella?
Marja Pennanen, 08-04-2014 17:08
Hello forum,

I have collected this last year.
These grow on Picea abies debris, mostly on needles and are about 0,7-1mm wide.
The spores are about 16-22x5-8 and seems to have some kind of hyaline appendages.
I saw no asci, suppose, that these are quite mature.

The determination trials ended to Anthostomelle genus.
Can this be a species in that genus and if so what?
I have found no Anthostomellas ealier...

Marja
  • message #28702
  • message #28702
  • message #28702
Thomas Læssøe, 08-04-2014 17:20
Re : Anthostomella?
How about Rosellinia thelena - should have rather long and very pointy appendages. It likes Picea litter.

cheers
Marja Pennanen, 08-04-2014 18:12
Re : Anthostomella?
Hi Thomas,

you must be right.
I'm very poor with these black ones. The species seems to be LC in Finland.
New species and genus for me anyway :D

Cheers: Marja
Alain GARDIENNET, 08-04-2014 21:38
Alain GARDIENNET
Re : Anthostomella?

Hi Marja and Thomas, nordic friends,


It would be a good thing to see asci and ascospores in good conditions. Perhaps R. mycophila is not excluded ? (what do you think Thomas ?) But t seems to have the appendages of R. thelena.


Please Marja, show us appendages.


Alain

Thomas Læssøe, 09-04-2014 11:01
Re : Anthostomella?
Yes, based on the illustration I cannot exclude mycophila but, at least here in Denmark, I mostly get it with Abies. Spores in good condition and asci likewise makes life easier :-)