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16-02-2026 00:05

Maren Kamke Maren Kamke

Good evening, I am looking for the following pape

14-02-2026 22:45

Tomaz Vucko Tomaz Vucko

Hy!I would ask for some help determing this specie

13-02-2026 03:30

Tomaz Vucko Tomaz Vucko

Hello! I found these immersed perithecia on a stic

15-02-2026 20:28

éric ROMERO éric ROMERO

Bonjour tous, Un Mollisia qui me pose problème..

14-02-2026 10:58

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

13-02-2026 18:05

Margot en Geert Vullings

On February 9, 2026, we found these small hairy di

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

15-02-2026 04:32

Tomaz Vucko Tomaz Vucko

One more specimen that is giving me some descent a

09-02-2026 14:46

Anna Klos

Goedemiddag, Op donderdag 5 februari vonden we ti

14-02-2026 19:09

Valencia Lopez Francisco Javier

Hola colegasEstoi interesado en este articulo, Agn

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What can this be?
Piet BORMANS, 15-08-2012 11:56
Piet BORMANSIt looks a little bit like Acanthophiobolus helicosporus but it does not correspond with the spores.
Ascomata: spherical 180 µm
Setae: black - 35 - 80 µm. Straight or slightly curved
Asci: 70 - 85 x 10 - 12 µm
Ascospores: filiform, 45 - 75 x 2 - 3 µm
Substrat: Calamagrostis epigejos

Thanks for your response
Piet Bormans
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Martin Bemmann, 15-08-2012 22:07
Martin Bemmann
Re : What can this be?
Hi Piet,

it reminds me on Chaetosphaeria spinosa. Maybe Andy and/or Sabine see your posting and comment...
A description of Ch.sp. is attached.

Cheers

Martin
Andrew N. Miller, 16-08-2012 16:16
Andrew N. Miller
Re : What can this be?
I'm trying to determine from the photos if the asci are unitunicate or bitunicate.  If the latter, then I'm thinking this might be Acanthostigma scopulum.

Best,
Andy
Martin Bemmann, 16-08-2012 19:44
Martin Bemmann
Re : What can this be?
Hi Andy,

I would tend to see bitunicate asci (attached detail of Piet's photograph). At any rate no thin walled (unitunicate) as in Chaetospharia spinosa.
You are certainly right with Acanthostigma scopulum.

Best regards

Martin
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Bernard Declercq, 16-08-2012 20:06
Bernard Declercq
Re : What can this be?
Hi Andy,

We excluded Acanthostigma as we thought this adjacent genus was lignicolous. Does Acanthostigma occurs on monocotyls?

Best regards,
Bernard
Andrew N. Miller, 16-08-2012 21:01
Andrew N. Miller
Re : What can this be?
I really do not know, but I suspect that many saprobic pyrenos and loculos are not that substrate specific.  I have even found Cercophora scortea on wood in USA, although it is known from dung in Europe.

Andy
Jaklitsch Walter, 17-08-2012 11:09
Re : What can this be?
what about Taphrophila (Acanthostigmina, Ophiobolus, Tubeufia) trichella? This fungus occurs on graminaceous hosts. How many septa do the spores have?

Walter
Bernard Declercq, 17-08-2012 13:30
Bernard Declercq
Re : What can this be?
Dear Walter,

Excellent proposal. Taphrophila trichella was described by the belgian mycologists Bommer & Rousseau who collected it on Ammophila at the Belgian coast. And Calamagrostis is mentioned in literature as another substrate. It would be great to have collected this species once again in our country after more than 120 years.
Allez Piet, check the number of septa. We did not see coiled ascospores in the ascus but that is maybe not that important.

Bernard
Piet BORMANS, 17-08-2012 19:01
Piet BORMANS
Re : What can this be?
Dear all,

I have tried to take a photo, to show you the number of septa. I counted from 6 to 9 septa. It was not easy for me. I am still looking for the ideal method. Here is the result.

Best regards,
Piet
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Jaklitsch Walter, 17-08-2012 22:45
Re : What can this be?
in this case it may be Taphrophila hebridensis (Dennis) Réblová & M.E. Barr

Cheers,
Walter
Piet BORMANS, 18-08-2012 12:31
Piet BORMANS
Re : What can this be?
Thanks to Martin, Andrew, Bernard and Walter. Your help is a step forward for me. Thank you.

Best regards
Piet