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28-09-2014 16:00

Alain GARDIENNET Alain GARDIENNET

Bonjour à tous, Je vous propose un Coniochaeta v

11-09-2013 11:33

Björn Wergen Björn Wergen

Hi there,Since a few weeks I am trying to identify

05-07-2023 10:26

Ciara Luna Gomez Escoin Ciara Luna Gomez Escoin

Hello again,I deleted the topic because the gazani

03-07-2023 06:47

Juuso Äikäs

These little apos were growing on a decaying petio

03-07-2023 18:56

Enrique Rubio Enrique Rubio

On Juncus effusus at 1600 m of altitude. Ascomata

26-06-2023 20:07

Miguel Ãngel Ribes Miguel Ángel Ribes

Buenas tardesEl día 7/6/2023 encontré en Tenerif

29-06-2023 19:39

Ursula Kozik

Hello and good day, looking for information about

01-07-2023 16:42

Stefan Jakobsson

On hare droppings among many larger perithecia I f

03-07-2023 13:36

Karen Poulsen

Hi I found this one on very thin branches of Loni

30-06-2023 09:16

Marc Detollenaere Marc Detollenaere

Dear Forum,On Lilium bulbiferum I found some small

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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
  • message #76574