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06-02-2026 15:40

Robin Isaksson Robin Isaksson

dear all,anyone that have this one? and can send i

06-02-2026 01:14

Tomaz Vucko Tomaz Vucko

Hello!How would you name this species? Most perith

04-08-2014 17:35

Leandro Sánchez Leandro Sánchez

Sur branche de feuillus, jusqu'à 22 mm diamètre,

05-02-2026 15:07

Vasileios Kaounas Vasileios Kaounas

Found on a fallen needle of Pinus halepensis, diam

05-02-2026 06:43

Stefan Blaser

Hello everybody, Any help on this one would be mu

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

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Psilocistella ?
Garcia Susana, 10-12-2014 22:29
Hola:

I found these apothecia growing on a sheet of Quercus.
Marginal hairs are grouping as teeth. They are smooth, I do not see any ornamentation or incrustation.
The asci are amyloid and with croziers.
I have reviewed the literature but I can not identify it. I thought perhaps it is Psilocistella quercina.
I would like your help for determination.
Thanks in advance.

Susana
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Hans-Otto Baral, 10-12-2014 22:52
Hans-Otto Baral
Re : Psilocistella ?
Dear Susana

look here:
http://www.ascofrance.fr/search_forum/25641

This is a very similar one, differeing mainly in the absent croziers. There I compare one with croziers which seems to fit yours, though spores are a bit larger. Could you please supply more measurements? Apothecial size and hair size would be welcome. This seems to be a very rare species, or species complex. Also please keep the material in your herbarium. It may well be that someone would like to sequence it.

I would also be interested in the collection data because I am going to publish this as a new species. the problem is that the genus is still not clear.

Zotto
Garcia Susana, 11-12-2014 21:51
Re : Psilocistella ?
Hi Zotto:

Apothecia size is 300-550um
The marginal hairs are up to 130um. The width is 3-3.5um
I have noticed that on the wall of the hairs appear small oileaginous deposits.
I send you the data coleccion.
I have stored the sample for if someone wants to study it.

Thanks, greetings

Susana
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Hans-Otto Baral, 11-12-2014 22:11
Hans-Otto Baral
Re : Psilocistella ?
Thank you very much!

these drops are difficult to interpret. I suppose they are inconsistently present.

Maybe Teppo Rämä is interested in sequencing, I will tell him about this.

Zotto
Hans-Otto Baral, 13-12-2014 11:10
Hans-Otto Baral
Re : Psilocistella ?
Dear Susana

Teppo is indeed very interested. Now, depending on the abundance you must decide whether to send him the whole or part of the collection. I think 3-5 apothecia are enough. 

Thank you very much!

His address is:

Teppo Rämä

Kvaløyvegen 30
NO-9013 Tromsø
Norway 

Garcia Susana, 15-12-2014 10:26
Re : Psilocistella ?
Hello Zotto:

I have already sent the sample.

Hans-Otto Baral, 15-12-2014 10:51
Hans-Otto Baral
Re : Psilocistella ?
Thanks a lot!