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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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Annulusmagnus?
Hans-Otto Baral, 28-08-2010 12:35
Hans-Otto BaralOn a Fagus log lying in mud of pond, soc. Orbilia luteorubella (Tübingen). Sp. *16.5-21 x 6-6.7 µm. Asci with striking inamyloid apical ring.

The log is flooded after heavy rain, and the mud permanently moist in drier times.

It reminds me of Annulusmagnus triseptatus but spores early turn brown.

Zotto
  • message #12657
Hans-Otto Baral, 28-08-2010 12:36
Hans-Otto Baral
Re:Annulusmagnus?
Micro
  • message #12658
Gernot Friebes, 28-08-2010 12:59
Re:Annulusmagnus?
maybe Ascitendus austriacus. This species should have delicately striate spores.

Best wishes,

Gernot
Alain GARDIENNET, 28-08-2010 13:31
Alain GARDIENNET
Re:Annulusmagnus?
I'm agree with Gernot.
Alain
Hans-Otto Baral, 28-08-2010 19:51
Hans-Otto Baral
Re:Annulusmagnus?
Thanks, I never heard of that genus, nor Ascolacicola where it was first described. Is that only known from the type collection??? Incredible to believe.

The asci are with (dead) 130-140 x 9-10 µm a bit short (protologue: 160-200 x 8.5-10.5). The spores are smooth, in my opinion, but the protologue says nothing of a striation. In any case, this fits quite well!

Was the species redescribed later? I do not have Campbell + Shearer 2004. Nothing is said on the spore guttules, as usually.

Zotto


Gernot Friebes, 28-08-2010 20:23
Re:Annulusmagnus?
here you can find Campbell & Shearer (2004):

http://www.mycologia.org/cgi/content/full/96/4/822

Best wishes,

Gernot
Hans-Otto Baral, 28-08-2010 21:46
Hans-Otto Baral
Re:Annulusmagnus?
I now found that the spores become partly distinctly longitudinally striate when I put them in Melzer! Thereby they shrink a bit from 6-6.7 to 5.6-6.5 µm. Here a pic in water (live)
  • message #12668
Hans-Otto Baral, 28-08-2010 21:50
Hans-Otto Baral
Re:Annulusmagnus?
Here in Melzer.

I did not yet read the Campbell article but I am surprized that they describe a new genus for every species... Has that any sense?

Zotto
  • message #12671
Guy Garcia, 29-08-2010 08:40
Re:Annulusmagnus?
Hi Zotto,
You can download the paper here
http://www.mycologia.org/cgi/reprint/96/4/822.pdf
Best, Guy