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07-12-2025 16:07

Ascomycet mit Sammelfruchtkörper.
Arnold Büschlen

Hallo, ich habe in einer Moos-Aufsammlung (epiphy

08-12-2025 21:04

Hymenoscyphus phyllogenus
Mark Stevens

"Hello everyone,I'm relatively new to microscopy (

09-12-2025 12:06

Hypobryon heterotropum
Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche l'article concernant Hypobryo

08-12-2025 18:59

aff. Tricharina?
Lothar Krieglsteiner Lothar Krieglsteiner

.. found by a seminar-participant, I do not know t

08-12-2025 21:18

Nectriaceae
Buckwheat Pete

Hello everyone, Is it possible to at least approx

07-12-2025 17:43

Helvella
Malcolm Greaves Malcolm Greaves

This Helvella was in mixed woodland. Uniform cupul

08-12-2025 17:37

possibly related to Melanomma - on Abies
Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-03-2014 22:00

Unknown species on cones
Ralph Vandiest Ralph Vandiest

Hello,I found this species a few months ago but ha

08-12-2025 13:39

Hypocrealean parasite on Nemania serpens stroma - Denmark
Thomas Læssøe

https://svampe.databasen.org/observations/10572899

07-12-2025 22:43

Leucostoma ?
Andreas Millinger Andreas Millinger

Good evening, tried to determine with Munks Valsa

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Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
Perz Piotr, 07-05-2006 18:10
Hi everybody

I can't found drawnings oder Pictures of Pyrenopeziza arctii. With B.Declerq key from Zotto's DVD this IS Pyrenopeziza arctii.

Has P.arctii spores with one end pointed und the secont round?

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Perz Piotr, 07-05-2006 18:10
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Perz Piotr, 07-05-2006 18:10
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Perz Piotr, 07-05-2006 18:11
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Perz Piotr, 07-05-2006 18:11
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Perz Piotr, 07-05-2006 18:11
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Perz Piotr, 07-05-2006 18:11
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Perz Piotr, 07-05-2006 18:11
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Perz Piotr, 07-05-2006 18:12
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Perz Piotr, 07-05-2006 18:12
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Perz Piotr, 07-05-2006 18:12
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Perz Piotr, 07-05-2006 18:12
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Perz Piotr, 07-05-2006 18:13
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
drawnings
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Perz Piotr, 07-05-2006 18:13
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
ectal excipulum
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Perz Piotr, 07-05-2006 18:13
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
hairs
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Perz Piotr, 07-05-2006 18:13
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
hymenium
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Perz Piotr, 07-05-2006 18:13
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
margin 2
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Perz Piotr, 07-05-2006 18:13
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
margin 3
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Perz Piotr, 07-05-2006 18:14
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
spores
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Perz Piotr, 07-05-2006 18:19
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
This is my Found from 2006/ may /02 on Arctium spec. First i thinked this is Mollisia, then Pirottaea brevipila or Belonopsis asteroma. But Belonopsis asteroma growns on Carex and spores by Pirottaea brevipila does NOT hane on end round (Photos by Garcia on Zotto's DVD).

I am sure, everyone here does have experience with Pyrenopeziza arctii and can help me with maximal sure.

greetings from Poland

Pimpek
Jacques Trimbach, 07-05-2006 19:05
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
Les spores et le reste correspondent assez bien. Cf.Ellis & Ellis 1985, Microfungi on Land Plants et Dennis, British Ascomycetes.
Jacques Trimbach, 07-05-2006 19:10
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
En plus, les poils noirs sont assez différents et très caracteristiques chez les Pirottaea.
Perz Piotr, 07-05-2006 20:01
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
Hi Jacques

This means it IS P.arctii! Thanx !!

Very nice Asco :)

Pimpek
NC NC, 08-05-2006 00:12
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
Hi Piotr,

hereby a drawing of P. arctii in case there would be still some hesitation.

Best regards,

Bernard Declercq
Perz Piotr, 08-05-2006 00:30
Re:Is this Pyrenopeziza arctii (W. Phillips) Nannf. (1932) ?
Hi Bernard,

Thanx. On yours drawnings i can not see so long brown hairs and black ?cystals ?gel on margo. So you agree with me, that there is P.arctii?

Best,
Pimpek

ps.
This is drawning from living species?