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03-02-2013 19:50

Nina Filippova

Good time), I've compared this specimen with the

15-02-2026 04:32

Tomaz Vucko Tomaz Vucko

One more specimen that is giving me some descent a

17-02-2026 17:26

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous, Je recherche cette publication :

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

17-02-2026 13:41

Isabelle Charissou

Bonjour, est-ce que quelqu'un pourrait me fournir

16-02-2026 18:34

Thierry Blondelle Thierry Blondelle

Bonjour,La micro de cet anamorphe de Hercospora su

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

16-02-2026 17:14

Joanne Taylor

Last week we published the following paper where w

16-02-2026 16:53

Isabelle Charissou

Bonjour, quelqu'un pourrait-il me transmettre un

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Amicodisca sp. with asci with croziers
Enrique Rubio, 29-08-2012 18:47
Enrique RubioHi to all

These small and narrowly sessile ascomata up to 400 microns  grew on Betula alba wood at 1650 m of altitude. KOH negative.
I think is an Amicodisca species but their asci have persistentely croziers.
What's your opinion? 
Many thanks again
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Chris Yeates, 29-08-2012 20:50
Chris Yeates
Re : Amicodisca sp. with asci with no croziers
Hello Enrique
I do not know this genus (I wish I did!) but looking at Zotto's DVD not having croziers seems to be quite typical of it

best wishes
Chris
Enrique Rubio, 29-08-2012 21:01
Enrique Rubio
Re : Amicodisca sp. with asci with croziers
Thank you, Chris. I'm sorry but I was wrong and wrote that the asci have not croziers (typical for Amicodisca) when my collection has asci WITH CROZIERS !

Enrique
Hans-Otto Baral, 29-08-2012 21:18
Hans-Otto Baral
Re : Amicodisca sp. with asci with croziers
Dear Enrique

I believe this is very similar to A. virella, mainly differing in croziers and slightly smaller spores.

There is a key in a recent Japanese paper (Han et al. 2012), but it does not include your species. I send you the pdf.

Probably undescribed!

Zotto
Björn Wergen, 30-08-2012 00:21
Björn Wergen
Re : Amicodisca sp. with asci with croziers
Hi

Zotto, can you send it to me too? I am interested in this genus. Nice finding, Enrique.

regards,
björn
Guy Garcia, 30-08-2012 07:51
Enrique Rubio, 30-08-2012 13:52
Enrique Rubio
Re : Amicodisca sp. with asci with croziers
Thanks a lot, Zotto.

I think could be an undescribed species of Amicodisca but the question is: Which is the importance of having or not having croziersr to differentiate two species ?

Enrique



Thanks for the paper
Hans-Otto Baral, 30-08-2012 22:28
Hans-Otto Baral
Re : Amicodisca sp. with asci with croziers
This is actually not always clear. It depends on the case. But generally the difference in the ascus base seems to have to do with a specific split of populations which do not further interbreed. If you find other distinguishing features it is easier to make such a distinction. But in the case of H. albidus/pseudoalbidus we have only slight correlations in other features of the apothecia. But we have strong pathogenic differences, and also such in the anamorph. Who knows what Amicodisca does in pure culture...

Zotto
Enrique Rubio, 31-08-2012 12:33
Enrique Rubio
Re : Amicodisca sp. with asci with croziers
Thanks!

What little we know still!