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31-08-2025 17:32

Albotricha ou autre Lachnaceae ?
Michel Hairaud Michel Hairaud

Bonjour, Pas d'identité trouvée pour cette réc

31-08-2025 19:41

Svensk bot. Tidskr.
Enrique Rubio Enrique Rubio

Hi to someone.I need to download this issue of Sve

31-08-2025 14:34

Rutstroemia alnobetulae or not.
Thomas Flammer

I have found a Rutstroemia on abt. 2000 m on Alnus

29-08-2025 19:04

Yellow apothecia on cow dung without hairs - Cheilymenia spec.?
Thomas Flammer

Spores 21.2 - 26.2 x 8.3 - 11.3 µm - Q: 2.20 - 2.

30-08-2025 18:29

Rutstroemia
Joaquin Martin

Hi,I found this undetermined ascomycete on broadle

28-08-2025 17:24

Literatur request J. Berthier, Typhula
Thomas Flammer

I know, that this is not the real topic of this fo

29-08-2025 05:16

Teleomorph of Dendrostilbella smaragdina ?
Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

24-08-2025 21:59

Podospora
Edmond POINTE Edmond POINTE

Bonsoir amis mycologues,Trouvé sur crottin de che

27-08-2025 12:02

On Abies alba macroscopically similar to Propolis sp.
Pavol Palo

Hello dear friendsI would like to ask for sharing

25-08-2025 17:37

Petit asco indéterminé
François Freléchoux François Freléchoux

Bonjour,Nous avons trouvé samedi dernier à l'ét

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Lopadostoma on hardwood
Enrique Rubio, 09-02-2014 20:52
Enrique Rubio

Hi to all


These pulvinate erumpent stromata grew on corticated wood of Quercus robur. The very polymorphic and aberrant ascospores are mostly in 4-spored asci. It could be the Lopadostoma dryophilum of the recent paper of Jaklitsch, Fournier. Rogers and Voglmayr?


Thanks again

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Alain GARDIENNET, 09-02-2014 21:04
Alain GARDIENNET
Re : Lopadostoma on hardwood

Hi Enrique,


Have you read the last paper in Persoonia 32 ?


Alain

Enrique Rubio, 09-02-2014 21:09
Enrique Rubio
Re : Lopadostoma on hardwood

Hi Alain


Yes. I have the paper. I have doubts because 'my' stromata have a reddish tissue between the perithecia and the asci are mostly narrower and 4-spored


Thanks!

Alain GARDIENNET, 09-02-2014 21:22
Alain GARDIENNET
Re : Lopadostoma on hardwood

Yes, and ascospores also don't fit with described species.


You should contact Jacques or Walter...


Alain

Jacques Fournier, 09-02-2014 22:07
Jacques Fournier
Re : Lopadostoma on hardwood
Hi Enrique and Alain,
the second photo shows some white tissue above the perithecia, thus I think that L. dryophilum can be ruled out.
It should be assessed if all asci are definitely 4-spored, which would be highly distinctive, or if only a variable percentage of asci are fortuitously 4-spored. Such asci are more frequent in hardly mature perithecia and may be responsible for abnormal ascospores. Enrique, try to find 8-spored asci and make measurements of ascospores, their length range should be smaller and more informative.
Cheers,
Jacques
Bernard Declercq, 10-02-2014 11:53
Bernard Declercq
Re : Lopadostoma on hardwood
Bonjour Jacques,

Je te serais reconnaissant recevant une copie de l'article concerné.

Amitiés,
Bernard
Alain GARDIENNET, 10-02-2014 12:05
Alain GARDIENNET
Re : Lopadostoma on hardwood
Il est en ligne sur le web, accessible.
Enrique Rubio, 10-02-2014 13:10
Enrique Rubio
Re : Lopadostoma on hardwood

Hi to all


Jacques, je vais t'envoyer mon materiel avec l'autre Lopadostoma similaire au gastrinum, avec blanchatre endostroma, que nous avions trouvé sur Quercus ilex.


 


Amitiés

Jacques Fournier, 10-02-2014 14:16
Jacques Fournier
Re : Lopadostoma on hardwood
D'accord Enrique,
envoie moi les deux, c'est vraisemblablement la même espèce.
Merci
Jacques