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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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Orbilia sphaerospora o subsphaerospora
Garcia Susana, 05-04-2017 11:48
Hola,

He encontrado esta Orbilia, pero no tengo claro si sphaerospora y subsphaerospora son la misma especie o no. La diferencia está en el tipo de células marginales? En ese caso encajaría mejor con O.subsphaerospora.

El sustrato era haya.

Gracias, un saludo
Susana
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Hans-Otto Baral, 05-04-2017 12:34
Hans-Otto Baral
Re : Orbilia sphaerospora o subsphaerospora
Woww! This cannot be better. Everything perfect, including the angiosperm wood.
O. sphaerospora has more perfectly globose spores and completely lacks these glassy processes. We recently got a sequence of this O. subsphaerospora, and it differs sufficiently from sphaerospora.

Was this a log lying on the moist ground? Could you please send me the collection data? We have so far only records from western Spain.

The mosses might be Metzgeria and Hypnum cupressiforme.

Zotto
Garcia Susana, 05-04-2017 13:09
Re : Orbilia sphaerospora o subsphaerospora
Hola Zotto, gracias.

Si, era un trozo de madera que estaba caido en el suelo, con abundante humedad.

Te mando los datos del lugar de la colecta.

Crecían junto a otra especie. No la he identificado todavía, pero creo que puede ser Proliferodiscus pulveraceus. Te mando imagen.
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Hans-Otto Baral, 05-04-2017 13:12
Hans-Otto Baral
Re : Orbilia sphaerospora o subsphaerospora
Thanks. Yes, it looks like that Proliferodiscus. Asci should be amyloid, hairs and excipulum turning violet....

Both species are drought-tolerant, usually they grow more exposed.

Was this a pure beech forest or mixed?
Garcia Susana, 05-04-2017 16:55
Re : Orbilia sphaerospora o subsphaerospora
Se trata de bosque puro de hayas