Accès membres

Mot de passe perdu? S'inscrire

30-07-2025 18:06

Orbilia dryadum?
Stefan Jakobsson

On a decorticated twig of Alnus incana on moist so

30-07-2025 20:52

apo on Pteridium aquilinum
Bohan Jia

Hi together,  I've been looking posts in AscoFra

30-07-2025 10:12

Asco1 sur crotte de mouton
Bernard CLESSE Bernard CLESSE

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

29-07-2025 18:59

Ayuda con esta
Castillo Joseba Castillo Joseba

Me mandan el  material seco de Galicia, España,

28-07-2025 12:34

Capronia
Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

28-07-2025 04:59

identification?
Richard Droker

Growing on resin (over moss on Tsuga heterophyll)l

13-06-2025 09:41

Aquatic ascomycete.
Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

13-06-2025 16:34

Strossmayeria-like on Fagus
Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

24-07-2025 19:02

Discomiceto 2510
Castillo Joseba Castillo Joseba

De esta mañana en tronco caido de Haya A ver si

21-07-2025 19:22

Orbilia nemaspora ...or aurantiorubra?
Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

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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 18:13
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
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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?