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20-01-2026 17:49

Hardware Tony Hardware Tony

I offer this collection as a possibility only as e

15-01-2026 15:55

Lothar Krieglsteiner Lothar Krieglsteiner

this one is especially interesting for me because

03-01-2026 15:36

éric ROMERO éric ROMERO

Bonjour, Pouvez-vous me dire quel est le nom à p

19-01-2026 12:01

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) 

17-01-2026 19:35

Arnold Büschlen

Hallo, ich suche zu Cosmospora aurantiicola Lite

16-01-2026 00:45

Ethan Crenson

Hi all, On decorticated hardwood from a New York

18-01-2026 12:24

Josep Torres Josep Torres

Hello.An anamorph located on the surface of a thin

17-01-2026 10:41

Blasco Rafael Blasco Rafael

Hola, he descubierto que he creado una Pulvinula t

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-01-2026 11:20

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) 

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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.