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17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

17-02-2026 17:26

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous, Je recherche cette publication :

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 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 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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Lachnum rhytismatis s.l., H-, Acer
Zuzana Sochorová (Egertová), 13-04-2025 13:00
Zuzana Sochorová (Egertová)Hello,
I guess the best option how to label this collection is Lachnum rhytismatis s.l., right?
Ascospores measure (4.4) 4.5-5.1-5.5 (5.6) × (1.4) 1.5 -1.6- 1.7 (1.8) µm
Q = (2.64) 2.81 -3.13- 3.47 (3.85)
Asci without croziers.
The apothecia grew on decaying leaves of Acer, in a little brook.
Collected yesterday in Moravia.
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Zuzana Sochorová (Egertová), 13-04-2025 13:02
Zuzana Sochorová (Egertová)
Re : Lachnum rhytismatis s.l., H-, Acer
Hairs
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Michel Hairaud, 13-04-2025 14:12
Michel Hairaud
Re : Lachnum rhytismatis s.l., H-, Acer
Hi Zuzana, 

 There are in Zotto's  L. rhytismatis files, collections on Quercus and Acer leaves without croziers . 
And your collection seems also comparable to L. microsporum . 

I regularly collect on Acer monspesullanum leaves L. ''aceriphilum'' , with croziers. 

Amitiés
Michel
 

Zuzana Sochorová (Egertová), 13-04-2025 14:32
Zuzana Sochorová (Egertová)
Re : Lachnum rhytismatis s.l., H-, Acer
Hi Michel,
thank you very much for your answer.
I saw Zotto's folders, but it seems (also from older discussions here at ascofrance) that the situation is not fully clear.
I also find the Acer species with croziers now and then, this one is my first H- collection.
Best regards, Zuzana
Hans-Otto Baral, 13-04-2025 16:21
Hans-Otto Baral
Re : Lachnum rhytismatis s.l., H-, Acer
My folders say that L. rhytismatis on Quercus is H- and that on Acer both H+ and H- occur, with H- being rhytismatis too. I assume Marketa had sequences of both.

My aceriphilum folder is full of collections, so it seems that true L. rhytismatis is much rarer than aceriphilum.
Zuzana Sochorová (Egertová), 13-04-2025 16:32
Zuzana Sochorová (Egertová)
Re : Lachnum rhytismatis s.l., H-, Acer
Thanks a lot, Zotto. I will ask Markéta - anyway, the collection will be deposited in PRM.