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01-03-2026 15:31

Csaba Németh Csaba Németh

Hello!I found these apothecia on Homalothecium lue

01-03-2026 18:02

Francois Guay Francois Guay

I found this mystery Helotiales on an incubated le

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Bonjour,sur vieilles crottes de sanglier en chambr

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

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Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

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Yanick BOULANGER

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Alain GARDIENNET Alain GARDIENNET

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

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Durella commutata (?)
Ethan Crenson, 17-03-2019 22:26
Found yesterday in New York City.  Substrate is a large decorticated, fairly-well rotted branch of unknown hardwood.  The cups are about .5mm in diameter and black.  Asci are IKI- measuring about 75-99 x 7.5-9µm. Spores are hyaline, ellipsoid with tapering ends, mostly non-septate, but I saw one 1-septate spore.  They measure (8-) 10-14 x 3.5-4.5µm. Paraphyses are surrounded by brown material, filiform with swollen tips, the tips about 3µm wide.  The closest I could find is Durella commutata. But maybe this is not correct.

Thank you in advance!


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Hans-Otto Baral, 18-03-2019 08:41
Hans-Otto Baral
Re : Durella commutata (?)
I don't think it is D. commutata, the spores are too large. You should try to see living paraphyses because D. commutata has very conspicuous VBs. The excipulum is a brown porrecta?
Ethan Crenson, 18-03-2019 19:08
Re : Durella commutata (?)
I went back to try to find living paraphyses, but I encountered a problem.  I must have the fruiting bodies of a very similar (macroscopically) species on the same branch.  When I prepared a slide I found microscopic features resembling the Skyttea-like asco with the muriform spores from 21-10-2018

I will create a new forum topic for this new collection.