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06-03-2025 23:27

Cosmospora or Dialonectria on Asterosporium asterospermum
Edvin Johannesen Edvin Johannesen

Hello!I have a collection of Asterosporium asteros

06-03-2025 21:53

Phaeosphaeria equiseti or Phaeosphaeria berlesei ?
Charles Grapinet Charles Grapinet

Hello, I found a very abundant Phaeosphaeria on t

04-03-2025 15:38

Arundinaria sps. with 3-curved germ slit verrocose spores
Hardware Tony Hardware Tony

Found on I what I think is Phyllostachys aurea, mo

06-03-2025 11:45

Hypoxylon ticinense sl?
Wim de Groot

Several smal patches of Hypoxylon ticinense (sl?)

06-03-2025 17:23

Paratricharina poiraultii ?
Vasileios Kaounas Vasileios Kaounas

Found 13/2/25 on moss, very far away, only almond

04-03-2025 21:27

Asco jaune
Yanick BOULANGER

BonsoirPetites fructifications jaunes récoltées

30-06-2018 14:36

Another Lachnum for identification
Jan Knuiman

Growing on a rotten twig of a broadleaf tree (Sali

03-03-2025 08:10

?Ostropalean fungus on wood
Juuso Äikäs

I recently found these quite small fruitbodies gro

05-03-2025 08:53

Tiny (!), white discomycete at the base of Orthotrichum affine in the company of Octospora affinis - Denmark
Thomas Læssøe

With hyper fusiform-pointy spores.https://svampe.d

03-03-2025 08:20

Petites boules blanches sur mousses dépérissantes
Bernard CLESSE Bernard CLESSE

Une idée sur ces petites boules blanches sur mou

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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 18:10
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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 18:11
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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 18:12
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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?