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25-09-2024 22:18

Bometon Javier Bometon Javier

Apotecios 100 y 350 um, estipitados.Pararafisis la

25-09-2024 14:24

B Shelbourne B Shelbourne

• Macro and habitat suggest Rutstroemia, and pos

26-09-2024 17:25

Hans-Otto Baral Hans-Otto Baral

Does someone have a pdf of this paper? I have it

23-09-2024 17:24

Karen Poulsen

Hi there, I found a few very small apothecia on o

24-09-2024 18:27

Pierre-Yves Julien

Récolte le 01/09/2024 – Paris (75) – France â

25-09-2024 20:07

François Bartholomeeusen

After I dipped a fallen Ilex leaf in water for a d

22-09-2024 20:24

Robin Isaksson Robin Isaksson

Dear all, I did found this one on on S. acauli

23-09-2024 20:46

B Shelbourne B Shelbourne

• Macro and habitat suggest Gelatinodiscaeae.•

24-09-2024 11:35

Peter Welt Peter Welt

Search Looking for an item again. Who can help? T

06-07-2020 05:51

Yulia Lytvynenko Yulia Lytvynenko

Dear friends.Looking for a copy of the following w

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Asco on silene
Robin Isaksson, 22-09-2024 20:24
Robin IsakssonDear all,

I did found this one on on S. acaulis in northen Sweden.

Spores first onecell, later 1 septate, and last 3 septate but 5 septate was seen also.
Spores 20-23 x 5-6 um
Asci 85-95 x 9,5-10,5, lugols -
Apothecia 0,5-1,75 mm
Parafyses wider at top.
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Hans-Otto Baral, 22-09-2024 20:49
Hans-Otto Baral
Re : Asco on silene
This is on the stem, yes? Is it an area above the timberline?

With this spore size I find only one species on Silene with such a spore size in my database, Pyrenopeziza capsulicola Petrak. The detailed but unillustrated description inludes a fungus of about 0.5 mm diam. on dead, dry capsules of Silene acaulis at an alpine site in Tirol; but the 19-26 x 5-6.5 µm large, ellipsoid-clavate-fusoid spores are said to be non-septate. Ascus reaction not stated.
Robin Isaksson, 24-09-2024 22:32
Robin Isaksson
Re : Asco on silene
Dear Zotto,

Thank you for the reply, hmm yes than it may be a different species, i had hard find anything possible and dident know this species you meantion.

The fungus manily grow on the top leaf and top of plant, but also steam i see.

This was above the tree line but some Sorbus was seen at the locality. But it was in a coold alpine habitat i would say and no betula was at the locality, about 450 m over sea in an mountain area.

best regards,

Robin
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Hans-Otto Baral, 25-09-2024 09:50
Hans-Otto Baral
Re : Asco on silene
I know P. capsulicola was only briefly mentioned by Hütter 1958, so it might be it has never been reexamined or recollected. Given the same host plant I would still consider that it could be this species. Checking the type would reveal if there are really no spore septa and clarify the ascus amyloidity.