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27-02-2026 17:51

Michel Hairaud Michel Hairaud

Bonjour, Quelqu'un peut il me donner un conseil p

27-02-2026 16:17

Mathias Hass Mathias Hass

Hi, Found this on Betula, rather fresh fallen twi

28-02-2026 11:54

Alain GARDIENNET Alain GARDIENNET

Hi forum,Is anyone aware if the 1936 edition of Si

28-02-2026 14:43

Alain GARDIENNET Alain GARDIENNET

A new refrence desired :Svanidze, T.V. (1984) Novy

01-03-2026 18:02

Francois Guay Francois Guay

I found this mystery Helotiales on an incubated le

01-03-2026 14:10

Antonio Couceiro Antonio Couceiro

Hola, me gustaria conocer opiniones sobre este tem

01-03-2026 20:34

Hans-Otto Baral Hans-Otto Baral

Does someone have access to Phytotaxa? I am intere

28-02-2026 11:05

Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

01-03-2026 18:46

Robin Isaksson Robin Isaksson

Hi! This species i se from time to time in the

01-03-2026 08:55

Michel Hairaud Michel Hairaud

Bonjour , Je souhaiterais recevoir cet article :Â

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Asco sur feuilles de saule
Patrice TANCHAUD, 03-09-2015 20:28
Bonjour,

récolte réalisée en plaine sur feuilles de saule en milieu humide. Apothécies 1-2 mm. Spores 16-19 x 3,6-4 µm. Asques 100-112 µm sans crochets
Merci d'avance pour vos avis.

Patrice
Hans-Otto Baral, 03-09-2015 20:43
Hans-Otto Baral
Re : Asco sur feuilles de saule
Hi Patrice

do you also have spore photos under oil immersion?

I am not sure but I consider Phaeohelotium fulvidulum.
To be sure, the asci should arise from simple septa.
And whether the excipulum fits I am not sure. Is the left medulla or ectal?
A section would be better.

Zotto
Patrice TANCHAUD, 10-09-2015 02:04
Re : Asco sur feuilles de saule
Hello Zotto and everyone,

sorry for my late answer. Here spores x 1000, following this new control, they measure 13-21 x 3,6-5 µm. I have not managed to make significant cuts to observe the flesh. Asci arise from simple septa.
I have already observed P. fulvidulum in a similar ecology, your idea is good.
Thank you very much Zotto.


 


Patrice

Hans-Otto Baral, 10-09-2015 09:22
Hans-Otto Baral
Re : Asco sur feuilles de saule
Yes, it may indeed be P. fulvidulum, though the spores and LBs are rather small.
Patrice TANCHAUD, 10-09-2015 09:35
Re : Asco sur feuilles de saule
Thanks Zotto for your answer.

Patrice