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01-06-2025 09:37

Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

06-07-2025 19:36

Castillo Joseba Castillo Joseba

me mandan el material de Galicia (España) recolec

05-07-2025 12:38

Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

04-07-2025 20:12

Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

03-07-2025 18:40

Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

03-07-2025 20:08

Francois Guay Francois Guay

I found this interesting yellowish asco growing on

01-07-2025 23:37

Josep Torres Josep Torres

Hello.A Pleosporal symbiotic organism located and

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Teichospora
Andgelo Mombert, 14-07-2020 19:46
Andgelo Mombert
Bonsoir,

Sur une grosse tige morte de Rosa sp.

Ascospores : 17-22 x 6,7-8,7 µm, elliptiques, triseptées, étranglées au niveau des cloisons, à pôles obtus ou aigus, brunes, lisses.

Asques : cylindriques, contenant huit spores unisériées.

Avec l'ostiole rougeâtre, je pense qu'il s'agit de Teichospora rubriostiolata. Les spores me semblent conformes, par contre je crois que l'hôte Rosa est inédit...

Merci d'avance pour vos avis !

Andgelo
  • message #64170
  • message #64170
  • message #64170
  • message #64170
Andgelo Mombert, 17-07-2020 18:51
Andgelo Mombert
Re : Teichospora
Bonsoir,

Pas d'avis sur ce Teichospora ?

Merci d'avance !

Andgelo
Eduard Osieck, 22-07-2020 11:18
Re : Teichospora
This could be very well Teichospora rubriostiolata. I found the species on Prunus spinosa (Rosaceae). However, this type of spores (brownish, 3-septate, no constrictions, rounded ends) occurs in quite a few genera. You may want to consider also Bertiella rhodospila.
Cheers, Eduard
Andgelo Mombert, 23-07-2020 18:38
Andgelo Mombert
Re : Teichospora
Thank you Eduard !

Andgelo
Bernard Declercq, 27-07-2020 10:54
Bernard Declercq
Re : Teichospora
Hi Andgelo,

The correct name for the species you mentioned is Magnibotryascoma rubriostiolata (Jaklitsch & Voglmayr) Phukhams. et al. But it should be excluded because it has, in contrary to your collection, spores which are strongly constricted at the primary septum and poorly or not constricted at the other septa.Your spores are more Melanomma-like.

You first have to check if your species has paraphyses and pseudoparahyses (= Teichosporaceae) or only pseudoparaphyses. In the latter case I would look somewhere in the Melanommataceae. Several genera in that family have species with reddish ostiola.

Bernard

Andgelo Mombert, 29-07-2020 18:08
Andgelo Mombert
Re : Teichospora
Bonjour Bernard,

Merci pour ton avis !

Andgelo