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17-01-2026 10:41

Pulvinula
Blasco Rafael Blasco Rafael

Hola, he descubierto que he creado una Pulvinula t

08-12-2025 17:37

possibly related to Melanomma - on Abies
Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-01-2026 00:45

Hyphodiscus (?) on hardwood, hemiamyloid, staining reddish-orange
Ethan Crenson

Hi all, On decorticated hardwood from a New York

16-01-2026 11:20

Una para ID
Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) 

10-01-2026 20:00

Lichenicolous fungus on Protoparmeliopsis muralis
Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

13-01-2026 07:28

Chlorociboria glauca on indet. decorticate hardwood log - 303627368
Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

15-01-2026 15:55

pyrenomycete on Quercus
Lothar Krieglsteiner Lothar Krieglsteiner

this one is especially interesting for me because

15-01-2026 10:35

Hyphomycete ?
Johan Boonefaes Johan Boonefaes

Last week I found this fungus, possibly a hyphomyc

13-01-2026 08:43

Tricladium varicosporioides on indet. decorticate stick - 303997395
Danny Newman Danny Newman

Tricladium varicosporioides on indet. decorticate

07-01-2026 22:22

Tatraea sp. on indet. hardwood - 303452087
Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

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Patellaria atrata ou Claussenomyces atrovirens ??
Bernard CLESSE, 09-02-2020 20:40
Bernard CLESSESur tronc mort et décortiqué de chêne en ambiance humide.

Je pensais à Patellaria atrata mais Raul Tena Lahoz propose Claussenomyces atrovirens, que je ne connaissais pas. 

Pourriez-vous donner votre avis et me dire quelle est la différence entre ces deux taxons ?

Grand merci d'avance !

Bernard
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  • message #61440
  • message #61440
Peter Thompson, 09-02-2020 20:49
Re : Patellaria atrata ou Claussenomyces atrovirens ??
Hello Bernard,

This is Claussenomyces atrovirens. The fruit bodies are green rather than black and the primary spores break down into tiny rod shaped secondary spores in the asci.

With Best Wishes,
Peter.
Bernard CLESSE, 09-02-2020 21:22
Bernard CLESSE
Re : Patellaria atrata ou Claussenomyces atrovirens ??
Great thanks Peter, Raul and Zotto !!

I learned a lot of new things again! What an extraordinary forum!

And sorry to have generated two discussions instead of one (a handling error!)

Bernard
Quijada Luis, 10-02-2020 13:57
Re : Patellaria atrata ou Claussenomyces atrovirens ??
Dear Bernard. I am working in this genus right now, If you kept the collection and you do not mind to send me some apothecia I would love to study it and get sequences. That could help to solve species concepts in this genus
Best wishes
Luis