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05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

14-03-2026 13:51

Thierry Blondelle Thierry Blondelle

Hi everybody Under Quercus ilex, i hesitate to na

12-03-2026 19:44

Enrique Rubio Enrique Rubio

Hi to everybody.Can you give me any suggestions ab

11-03-2026 17:36

Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

12-03-2026 15:45

Åge Oterhals

Dear forum,I found this small discomycete on a ver

08-03-2026 14:05

Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

12-03-2026 16:17

Sylvie Le Goff

Bonjour à tousRécolté dans le 22 en France (ré

12-03-2026 14:37

David Wasilewski

These small ascomycota (1-3 mm) ere observed growi

11-03-2026 16:48

Bruno Coué Bruno Coué

Bonjour, je serais heureux d'avoir votre avis sur

09-02-2026 22:01

ruiz Jose

Hola, me paso esta colección en madera de pino, t

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En madera de Abeto (Abies)
Castillo Joseba, 31-05-2018 20:29
Castillo Josebahe encontrado estos ejemplares  de forma redonda y granulada de color negro

La reacción al Melzer la veo muy poco nitida

A ver que os parece
Saludos

Joseba
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Lothar Krieglsteiner, 01-06-2018 09:03
Lothar Krieglsteiner
Re : En madera de Abeto (Abies)
looks like Bertia latispora

Regards, Lothar

Hans-Otto Baral, 01-06-2018 09:23
Hans-Otto Baral
Re : En madera de Abeto (Abies)
Or B. moriformis? Isn't B. latispora wider in the spores? 40 x 5-6 µm is normal in B. moriformis.
Lothar Krieglsteiner, 01-06-2018 09:27
Lothar Krieglsteiner
Re : En madera de Abeto (Abies)
... yes, I did not compare the spore width. Usually, it is B. latispora on Abies - but maybe not always ...
Hans-Otto Baral, 01-06-2018 09:34
Hans-Otto Baral
Re : En madera de Abeto (Abies)
Ah, I know latispora only from angiosperm wood and bark, with spres *8.5-12 µm wide. Corlett & Krug say +6-8.5(-10.5) µm and have it on coniferous or sometimes angiosperm wood.
Lothar Krieglsteiner, 01-06-2018 10:24
Lothar Krieglsteiner
Re : En madera de Abeto (Abies)

Hallo Zotto,


mit derart breiten Sporen käme noch B. italica in Frage.


vgl. Müller & Arx 1962 und evtl. meine Rhön-Arbeit (nur Notiz)


LG Lothar


 

Bernard Declercq, 01-06-2018 10:36
Bernard Declercq
Re : En madera de Abeto (Abies)
Hi,

I would exclude B. latispora and B. italica (= B. gigantispora) as well. Both species have too wide spores.

On the other hand, if spores are still young, B. multiseptata is another possibiity, known to me on coniferous and deciduous wood as well.

Bernard
Lothar Krieglsteiner, 01-06-2018 10:41
Lothar Krieglsteiner
Re : En madera de Abeto (Abies)

Hi Bernard,


I spoke about italica for Zottos collection - not about this of Joseba.


Best, Lothar

Hans-Otto Baral, 01-06-2018 10:47
Hans-Otto Baral
Re : En madera de Abeto (Abies)
There are quite a few samples from Luxembourg, Guy knows this species very well, and we were not sure how to name it. When considering shrinkage, the measurements of Corlett & Krug are not bad. 
Can you tell me the exact reference for Müller & Arx? Also I do not have a pdf of B. gigantospora.
Bernard Declercq, 01-06-2018 12:41
Bernard Declercq
Re : En madera de Abeto (Abies)
Hi Zotto.

Pdf about B. gigantispora sent to you.

Bernard
Hans-Otto Baral, 01-06-2018 13:07
Hans-Otto Baral
Re : En madera de Abeto (Abies)
Thanks Bernard!
This Kenyan find of B. gigantospora has straight spores, unlke ours which are always (very) slightly curved. The size not indicated, but from the scale in 5h they would be 30-35 x 13 µm, and only about 27 x 10 µm from the scale in i.