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23-12-2025 08:27

Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

07-03-2026 22:22

Josep Torres Josep Torres

Hello.Some very tiny conidiomes collected in the D

07-03-2026 13:06

éric ROMERO éric ROMERO

Bonjour tous, Sur cône d'épicea fortement imbu,

06-03-2026 17:51

William Slosse William Slosse

Good evening all,On March 4, 2026, I found the fol

05-03-2026 16:30

François Bartholomeeusen

Dear forum members, On the 2nd of February 2026,

06-03-2026 09:41

Alain GARDIENNET Alain GARDIENNET

Hi forum, I'm now looking for another reference c

28-02-2026 11:05

Yanick BOULANGER

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

05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

05-03-2026 19:29

William Slosse William Slosse

Good evening everyone,On March 4, 2026, I found th

19-02-2026 17:49

Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

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Amphisphaeriales
Enrique Rubio, 17-07-2023 20:33
Enrique RubioThese blackish, effuse stromata have immersed perithecia up to 0.5 mm in diameter, visible as obtuse swellings on the wood, perhaps of Acer. The long asci have a discoid and amyloid apical apparatus and the spores, with smooth walls, are light-coloured for a long time and then gradually become olivaceous and finally dark brown, without gelatinous sheaths or germ slits.
I suppose it could belong to the genus Amphisphaeria, but I can't find any species well adapted to these characters.
Perhaps someone might have some idea that could help me.
Many thanks in advance.
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  • message #76574