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15-01-2026 15:55

pyrenomycete on Quercus
Lothar Krieglsteiner Lothar Krieglsteiner

this one is especially interesting for me because

03-01-2026 15:36

Nomenclature
éric ROMERO éric ROMERO

Bonjour, Pouvez-vous me dire quel est le nom à p

19-01-2026 12:01

Ayuda con esta 1121
Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) 

17-01-2026 19:35

Cosmospora aurantiicola: Gibt es dazu Literatur ?
Arnold Büschlen

Hallo, ich suche zu Cosmospora aurantiicola Lite

16-01-2026 00:45

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

Hi all, On decorticated hardwood from a New York

18-01-2026 12:24

Anamorph on an olive tree
Josep Torres Josep Torres

Hello.An anamorph located on the surface of a thin

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 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

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Calycina on Betula wood
Lothar Krieglsteiner, 13-12-2016 12:33
Lothar Krieglsteiner

... also from the National Park of Eifel, Germany.


I am quite sure about the genus, but find no fitting species.


The apical apparatus reacts blue in IKI (Calycina type), croziers are present. Overripe spores are 1-septate and germinate to buds.


Best regards from Lothar

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Hans-Otto Baral, 13-12-2016 13:06
Hans-Otto Baral
Re : Calycina on Betula wood
The spores remind of Leptodontidium trabinellum (earlier Phaeohelotium or Calycellina). But the apos are a bit too white. You could look whether the paraphyses are densely septate at the base.
Lothar Krieglsteiner, 13-12-2016 13:25
Lothar Krieglsteiner
Re : Calycina on Betula wood

... o.k. - in my mind trabinella also is something more yellowish or even nearly orange. But maybe in very young stage it is whtish???


Thanks for your opinion an best regards from Lothar

Lothar Krieglsteiner, 13-12-2016 13:26
Lothar Krieglsteiner
Re : Calycina on Betula wood

... ah - the paraphyses-septation. I could do this, but it has to wait. The specimen is dry now and a lot of other work to do.


Thanks for the tip! Lothar