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20-01-2026 17:49

Mollisina acerina ?? Turbinate and hemiamyloid
Hardware Tony Hardware Tony

I offer this collection as a possibility only as e

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) 

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Orbilia species?
Wim de Groot, 12-12-2023 23:18
I know, not enough details. But nevertheless I hope enough to say if this is an Orbilia species or not. If it is maybe the smal size of the two spores (I only managed to find these two) give an indication of what species this might be. Breitenbach I and AiC was not very helpfull in this case.
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Hans-Otto Baral, 13-12-2023 10:07
Hans-Otto Baral
Re : Orbilia species?
Are you sure the spores are from the asci? I photo of mature asci at oil immersion would be necessary.
Wim de Groot, 13-12-2023 17:58
Re : Orbilia species?
No, I am not sure. I have tried to search for asci with spores but could not find any. I asked myself the same question. Unfortunatelly I have no more material. Is it from youre experience doubtful that these are Orbilia spores?
Hans-Otto Baral, 13-12-2023 20:26
Hans-Otto Baral
Re : Orbilia species?
They do not look very typical. Sometimes algae have been confused, but  their chlorophyll is usually obvious. by macroscopy I would think of O. xanthostigma (yellow variant of leucotigma).