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03-02-2026 20:44

Mycoparasite with irregular conidia
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pyrenomycete on dead parts of foliose liverwort from Norway
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.. 20.7.25, in subarctic habital. The liverwort i

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Dark disc on Populus
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On a barkless poplar branch, we found hairy discs

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Lichenicole hypocreale
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Lambertella sur Olea
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Calycina ?
éric ROMERO éric ROMERO

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Small hairy discs on Castanea
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Dear Forum,On decorticated wood of Castanea,I foun

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Apiospored pyrenomycete
Björn Wergen, 19-06-2013 21:14
Björn WergenHi there,

during my vacation in Austria I have found a very small, immersed pyrenomycete on old Typha stems. It has just 0,1-0,3mm broad, black fruitbodies and apiospores, which have a paler and a darker brown cell, 13-15x4-6µm. There is no visible apical structure, IKI- and Congo -.

There is no stroma, perithecia are embedded singly.

Any idea?

Thanks in advance and regards
björn
  • message #23967
  • message #23967
  • message #23967
  • message #23967
Chris Yeates, 19-06-2013 22:40
Chris Yeates
Re : Apiospored pyrenomycete
Hallo Björn
I wondered about Anthostomella, but I am not convinced - there does not seem to be a clypeus, and you would expect a reaction to IKI. Do you have Sheila Francis' book on Anthostomella? (Mycological Papers No.139)

best wishes
Chris
Björn Wergen, 19-06-2013 23:01
Björn Wergen
Re : Apiospored pyrenomycete
Hi Chris,

the collection is saved on my pc as "Anthostomella sp.", but just due to the lack of knowledge.

I do not have this paper.

regards,
björn
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I have found Anisomyces nectrioides as a very similar fungus, but this one is only recorded from Brazil (on Paullinia spp.)...
John Plischke, 20-06-2013 05:07
John Plischke
Re : Apiospored pyrenomycete

Hello Björn,


I sent you a different paper 

Björn Wergen, 20-06-2013 09:52
Björn Wergen
Re : Apiospored pyrenomycete
Hi John,

thanks for the paper.

regards,
björn
Björn Wergen, 20-06-2013 23:37
Björn Wergen
Re : Apiospored pyrenomycete
@Chris: can you send me the paper?

No any other ideas? Come on ascofrance :D
Chris Yeates, 20-06-2013 23:56
Chris Yeates
Re : Apiospored pyrenomycete
I thought I had sent it . . . .
Björn Wergen, 23-06-2013 21:03
Björn Wergen
Re : Apiospored pyrenomycete
I give myself the answer: Didymopleella cladii. It is recorded on Cladium, but anyway, Cladium and Typha are both Poales and everything fits very well.

regards,
björn