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11-12-2024 11:26

Pyrénomycète sur noisetier
Yanick BOULANGER

Hello Harvested on a hazel branch on the groundVe

14-12-2024 08:39

Mollisia scopiformis?
Marc Detollenaere Marc Detollenaere

Dear Forum,On a decorticated branch of Quercus rob

15-12-2024 13:56

Orbilia sp.
Yannick Mourgues Yannick Mourgues

Hello. I would like to have your opinions on this

15-12-2024 14:34

Olla sp.
Yannick Mourgues Yannick Mourgues

HI. Found this very small cf. Olla on decorticate

15-12-2024 15:09

Phaeohelotium sp.
Yannick Mourgues Yannick Mourgues

I would like your opinion on this Phaeohelotium fo

15-12-2024 15:44

Lachnum sp.
Yannick Mourgues Yannick Mourgues

Here is a Lachnum found on dead branches of Erica

15-12-2024 19:44

Nectriaceae sur Fagus
Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Je n'y vois pas clair su

14-12-2024 21:37

Beige/ white Apothecium on a wet Fagus branch
Dirk Gerstner

Hello everyone,I found this beige/white 0.2-0.4mm

14-12-2024 13:10

Apothécies jaunes
éric ROMERO éric ROMERO

Bonjour, Récolté "dans" un tronc de Picea abies

19-11-2024 00:36

H. leucomelaena atípica
Pérez del Amo Carlos Manuel Pérez del Amo Carlos Manuel

Hace unos días encontramos numerosos ejemplares d

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Phaeohelotium sp.
Yannick Mourgues, 15-12-2024 15:09
Yannick Mourgues
I would like your opinion on this Phaeohelotium found on decorticated wood of Betula.

Asci IKI+, croziers+

Spores 9,2-11 x 4-4,9 µm   Q=2-2,3   N=30

Paraphyses filiformes

Textura globulosa

Thank's in advance.

Yannick
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Hans-Otto Baral, 15-12-2024 21:06
Hans-Otto Baral
Re : Phaeohelotium sp.
The apical ring does not look like Hymenoscyphus-type, but it should better be shown expanded in a dead ascus to show its shape.

Paraphyses are without VBs. The thin-walled excipulum of ellipsoid cells appears to exclude a Bisporella or Calycina.