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10-08-2022 15:45

Pierre-Yves Julien

Récolte le 31/07/2022 – Ozoir-la-Ferrière (77)

04-07-2022 18:45

Enrique Rubio Enrique Rubio

I can find no suitable answer for this white Bryos

11-08-2022 08:16

Josep Torres Josep Torres

Hola.Un muy diminuto Pirenomyceto sobre un tronco

11-08-2022 00:45

Stefan Jakobsson

On a thin deciduous stick (Salix/Alnus/Betula) on

10-08-2022 09:11

Josep Torres Josep Torres

Hola.Un Piremomyceto recogido este pasado domingo

10-08-2022 18:45

François Bartholomeeusen

Good evening all, On 5 August 2022, a friend gave

09-08-2022 20:06

Stephen Mifsud Stephen Mifsud

I have found an interesting aspergillus on flowers

06-08-2022 22:20

Marcus Yeo

I found this ascomycete today on dead leaves of Er

16-07-2022 17:01

Zetti Mario

Hi, I am doing some work with microfungi and durin

02-08-2022 17:48

Pierre-Yves Julien

Récolte le 31/07/2022 – Ozoir-la-Ferrière (77)

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Yellow Calycellina (?) on Fagus leaves
Enrique Rubio, 28-09-2016 20:38
Enrique Rubio

Hi to everybody


I need again your help with these yellow, shortly stipitate, ascomata up to 1 mm, found on Fagus sylvatica leaves on calcareous soil at 1200 m. The asci are 8-spored, IKI rb Calycina-type, arising from croziers . Paraphyses and marginal cells with yellow refractive VBs as the marginal cells from the flanks. Excipulum with any textura porrecta.


I don't find any species that matches well with my collection.


Have you some idea for me?


Thanks again

  • message #45156
  • message #45156
  • message #45156
Hans-Otto Baral, 28-09-2016 21:18
Hans-Otto Baral
Re : Yellow Calycellina (?) on Fagus leaves
Hmmm, very strange! Could you please send me in high resolution?
The guttulate paraphyses and thin-walled excipulum forbids an Allophylaria, the former also a Calycellina. I am without an idea :-(
Enrique Rubio, 28-09-2016 21:23
Enrique Rubio
Re : Yellow Calycellina (?) on Fagus leaves

Hi Zotto


I think this is not an Allophylaria. The excipulum is absolutely different....

Lothar Krieglsteiner, 28-09-2016 21:38
Lothar Krieglsteiner
Re : Yellow Calycellina (?) on Fagus leaves

Hi Enrique,


I think it is not a Calycellina, in this genus most species have (sub)sessile apothecia, as well as the content of the paraphyses is mostly a longitudinal vacuolar body.


In spite of the apical apparatus I see no difference to a Hymenoscyphus which has usually stipitate apothecia and guttulate paraphyses. In your foto the apical apparatus looks like Calycina type. Is it really?


Best regards from Lothar

Hans-Otto Baral, 28-09-2016 21:54
Hans-Otto Baral
Re : Yellow Calycellina (?) on Fagus leaves
Hi Lothar
you are right with the contents of the paraphyses, but the apical ring is decidedly of the Allophylaria type. I presume a relationship with that genus, but would not expect that it belongs to it.
Look here
Zotto
  • message #45161
Enrique Rubio, 29-09-2016 00:24
Enrique Rubio
Re : Yellow Calycellina (?) on Fagus leaves
Yes, Zotto. You are right because the apical pore is not of the Calycina-type but the Allophylaria-type. But you could see the excipulum does not belong absolutely to this genus.
Hans-Otto Baral, 29-09-2016 09:34
Hans-Otto Baral
Re : Yellow Calycellina (?) on Fagus leaves
The limits between these two ring types are not sharp, but this case is quite clear. Surely the Allophylaria type is not restricted to Allophylaria, like in the Calycina type.
Enrique Rubio, 29-09-2016 10:06
Enrique Rubio
Re : Yellow Calycellina (?) on Fagus leaves
Many thanks again, Zotto