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06-12-2016 09:26

Michel Hairaud Michel Hairaud

Bonjour, I am puzzled with this late collection of

06-12-2016 13:04

UZUN Yasin UZUN Yasin

Spores 14,4-23,2 µm in diameter..with 2-3-4 or mo

05-12-2016 14:52

Castillo Joseba Castillo Joseba

Esta pequeña seta parece que crede parasitando a

04-12-2016 20:40

William Slosse William Slosse

Hello,yersterday I found on rotten stalks of Holcu

05-12-2016 09:54

Gilbert MOYNE

Bonjour à tous, Vendredi, un ami m'a apporté un

03-12-2016 23:22

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Pongo unas fotos de un asco de colo

02-10-2012 19:30

Enrique Rubio Enrique Rubio

Dear friends:We have collected on very wet decort

04-12-2016 00:35

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Pongo unas fotos de un asco que hem

29-11-2016 20:46

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. ¿Me podrían decir qué significa,

03-12-2016 15:28

François Bartholomeeusen

Dear forummembers, I am glad that the site is avai

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A Calycina like helotiale
Michel Hairaud, 06-12-2016 09:26
Michel HairaudBonjour,
I am puzzled with this late collection of a Calycina like helotiale on Dipsacus old stems.
MAcro and micro would rather fit with C. pseudodisrceta, including spores but the paraphyses content doesn't.

Ascus 70-80 x 5,5-6, H+ (though not easy to notice) , IKI +B, rather Calycina-type
Spores mostly 9-10 x 2,2-2,5 , OCI 2 , never septate.

This fungus looks as a mixture of Calycina, Cyathicula or even Phaeohelotium.
I will appreciate any help.
Amitiés. Michel
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Hans-Otto Baral, 06-12-2016 12:57
Hans-Otto Baral
Re : A Calycina like helotiale
Hi Michel
how gelatinised is the excipulum? 
I think it is a subsessile Cyathicula.
Zotto
Michel Hairaud, 06-12-2016 13:29
Michel Hairaud
Re : A Calycina like helotiale
Many thanks, Zotto,
It is stiptate , though shortly and you are wright, the excipulum is - at least- partly gelatinized.
here are pics of the medulla (clearly intricata), the outermost ectal and of a part of the excipulum more downwards.

Michel
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Hans-Otto Baral, 06-12-2016 17:53
Hans-Otto Baral
Re : A Calycina like helotiale
Yes, strongly gelatinized in ectal, and typical guttulate cortical cells.
Michel Hairaud, 06-12-2016 18:07
Michel Hairaud
Re : A Calycina like helotiale
So, may be Cyathicula dipsacea as a tentative name ?
Michel
Hans-Otto Baral, 06-12-2016 18:18
Hans-Otto Baral
Re : A Calycina like helotiale
This is a big question, Cyathicula is a mess. The spores look unusual with their contents. Hmmm.