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23-12-2025 11:27

Louis DENY

bonjour forum,sur débris de bois de feuillu (acer

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Hi. „I doubt it is possible to identify this ti

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Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

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Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

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Bionectriaceae (?) on Ulmus
Enrique Rubio, 06-02-2017 19:56
Enrique RubioHi to everybody. Hi Christian (by the way, what a wonderfull pics of Pleomassaria!)
These small (up to 200-250 microns), gregarious, KOH-negative, superficial, not on a stroma, more or less glabrous perithecia, were found on Ulmus minor bark. They are not very well preserved, with no many ascospores for good measurements, but they seem to be smooth and with up to seven tranverse septa. Asci broadly fusiform. Peridium thick, up to 80 microns, complex, with an inner orange layer. No anamorph seen.
What do you think?
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Angel Pintos, 06-02-2017 20:05
Angel Pintos
Re : Bionectriaceae (?) on Ulmus
Si señor, yo tambien me he quedado impresionado con las fotos de Pleomassaria.

Congratulations for it

Angel
Christian Lechat, 06-02-2017 20:54
Christian Lechat
Re : Bionectriaceae (?) on Ulmus
Dear friends,
thank you for your compliments.
Enrique, I think your fungus is Xanthonectria pseudopeziza (Desm.) Lechat, J. Fourn. & P.-A. Moreau.

Good evening,
Cheers,
Christian
Enrique Rubio, 06-02-2017 20:59
Enrique Rubio
Re : Bionectriaceae (?) on Ulmus
Hi Christian
Yes. You're right. I just read it in Ascomycete.org.
Thanks a lot