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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

30-10-2025 03:53

Ethan Crenson

Hi all,  I would like an opinion on whether this

09-08-2025 13:13

Maria Plekkenpol Maria Plekkenpol

Hello,Yesterday I found these on burnt soil. Apoth

29-10-2025 19:02

Castillo Joseba Castillo Joseba

De la pasada semana en rama posiblemente de hayaPi

25-11-2016 13:54

Stephen Martin Mifsud Stephen Martin Mifsud

Hi, I found numerous seeds of Washingtonia robusta

28-10-2025 22:22

Bernard Declercq Bernard Declercq

Hello.I'm searching for the following paper:Punith

27-10-2025 19:51

Peter Welt Peter Welt

Who has this article? Doveri, F. 2007. Sporormiel

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

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Xylaria
hannie wijers, 20-02-2016 17:21
Good afternoon.
Ik like some help from someone.

In the Bush (tropical conditions) of a zoo I found these Xylaria. They grew at wood and had a decent length. I took some material and at home I did it under the microscope. I was expecting brown spores and was surprised to find clear spores. This appears to be a anamorph? The sizes of the Konidiensporen between 4.5 to 8 x 1.5 - 4 microns.
Has anyone an idea for me?

Groeten
Hannie
  • message #41077
Jacques Fournier, 20-02-2016 18:09
Jacques Fournier
Re : Xylaria
Hi Hannie,
what you observed under the microscope is indeed conidia, not ascospores. Xylaria spp. can rarely be identified at this conidial stage, especially tropical ones. You can just try to incubate the piece of wood in "tropical" conditions.
Good luck!
Jacques
hannie wijers, 20-02-2016 18:51
Re : Xylaria
Thank you Jacques, it will stay Xylaria spp. It was a heacy log and I coildn't get some of the wood. Thanks anyway.

Groeten
Hannie
hannie wijers, 22-02-2016 14:55
Re : Xylaria
Hello, 

I'm very curious and have no peace with this species. I got through a forum of Marijke Nauta whether it might not be a Phaeoisaria? I looked at Ellis and Ellis (microfungi on land plants p 60) and think this may be perhaps Phaeoisaria clamatidis?

Any suggestion?

groeten
Hannie
Jacques Fournier, 22-02-2016 15:11
Jacques Fournier
Re : Xylaria
Hi Hannie,
Phaeoisaria is rarely over 1 mm high and can hardly be confused with a Xylaria. You did not mention the size of your fungus but I guess it is several cm high.
Moreover, such conidia only are usually not suggestive of a hyphomycee genus, you have to study carefully the conidiogenous structure which is basic to the classification of hyphomycetes.
Cheers,
Jacques
hannie wijers, 22-02-2016 18:59
Re : Xylaria
Hallo Jacques, Yiu are right the Xylaria I saw was about  6 cm. lenght. Thanks you for explanation.

groeten
Hannie