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24-07-2024 14:07

Elisabeth Stöckli

Bonjour,Cette espèce a été trouvé sur place à

23-07-2024 19:27

éric ROMERO éric ROMERO

Bonjour, Je n'ai pas d'idée pour cette espèce t

24-07-2024 13:19

Thomas Flammer

I am looking for a PDF of the above article. Thank

22-07-2024 10:20

Hans-Otto Baral Hans-Otto Baral

Hello please note that I uploaded today an Englis

21-07-2024 10:13

Thierry Blondelle Thierry Blondelle

Bonjour,Récolte sur branchette de Castanea dans u

19-07-2024 10:24

Kozak Robert

Date: 2024.07.16Loess gorges, on soil with a lot o

21-07-2024 10:28

Alan Rockefeller Alan Rockefeller

Which Peziza did I find on horse dung in Humboldt

19-07-2024 11:08

Miguel Ãngel Ribes Miguel Ángel Ribes

Good morningThis Scutellinia from July 9 grew at 1

21-07-2024 06:23

Masanori Kutsuna

Dear all, Does anyone have these papers and send

08-07-2024 23:34

Villalonga Paco

Small Scutellinia growing in garden soil (calcareo

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Cytospora or ...?
Sergey Markov, 25-04-2021 21:48
I found today a small pyreno on Betula pendula, on a fallen branch. This fungus may be a host for yellow-colored Tremella sp. Perithecia are in bundles of 3...8 pieces in each ascostromata, irregularily arranged. Ascostromata are immersed in the bark.

Ascospores hyaline, allantoid, non-septate, single-celled, measurement on the photo.

Asci IKI-, hyaline, almost invisible in MLZ and Congo/SDS.

I myself have not been able to identify the species. I only suggested the genus as Cytospora(Leucostoma?). Please help.
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Stoykov Dimitar, 26-04-2021 07:02
Stoykov Dimitar
Re : Cytospora or ...?
Hallo Sergey,

It looks like Leucostoma niveum. Asci mosty 8 -spored, rarely 4-spored; spores 12-17 × 2-4 mictometers.

Dimitar
Sergey Markov, 26-04-2021 10:52
Re : Cytospora or ...?
Thank Yoy very much, Dimitar. It fits not bad and was reported from Betula sp. Also it was reported in conjunction with Peniophora sp. and Peniophora is a host for Tremella mesenterica.