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07-09-2025 08:19

Josep Torres Josep Torres

Hello.Tiny pinkish discomycetes, photographed and

21-10-2025 23:13

F. JAVIER BALDA JAUREGUI

Hello to everyone.Did you think it could, be a pyx

22-10-2025 06:43

Ethan Crenson

Hi all, I'm having some difficulty with this Orbi

22-10-2025 14:45

Lukas Verboom

Dear all,I collected this in the Netherlands, on t

22-10-2025 11:13

Jean-Luc Ranger

Bonjour,  Petites boules plus ou moins sphériqu

21-10-2025 21:25

Philippe PELLICIER

Bonjour,J'ai récolté en septembre sur une litiè

17-10-2025 18:45

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, Oct. 2025.

21-10-2025 21:34

Margot en Geert Vullings

This cup fungus was found on the ground in a damp

21-10-2025 04:52

Francois Guay Francois Guay

I found what might be Chlorociboria aeruginella on

25-11-2016 13:54

Stephen Martin Mifsud Stephen Martin Mifsud

Hi, I found numerous seeds of Washingtonia robusta

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Arachnopeziza eriobasis?
Przemyslaw Drzewiecki, 30-12-2022 00:09
Hallo
21.08.2020; Das Thorn-Eberswalder Urstromtal. In der Nähe von Bydgoszcz (Polen). Gesammelt auf dem alten Stamm und den Blättern einer krautigen Pflanze. 

Grüße - Przemek
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Hans-Otto Baral, 30-12-2022 20:57
Hans-Otto Baral
Re : Arachnopeziza eriobasis?
I do not know this species personally but suspect that it is, it fits other collections in my folder. But I now looked in Kosonen et al. 2020 who treats two collections identified by Korf as A. eriobasis under Arachnoscypha aranea. I am now curious if your fungus and those in my folder are also A. aranea. In fact I had placed A. eriobasis in my Arachnoscypha folder.
Przemyslaw Drzewiecki, 30-12-2022 22:55
Re : Arachnopeziza eriobasis?
Thank you for your opinion. I just read a paper: "Taxonomy and systematics of Hyaloscyphaceae and Arachnopezizaceae" (T. Kosonen, S. Huhtinen, K. Hansen). Interestingly, A. eriobasis does not seem to be a good species. However, if you or someone else would like to genetically sequence my collection - I will gladly send it. I am not 100% sure that the substrate is a herbaceous plant. Perhaps it is a non-woody young sprout of a willow?
Regards - Przemek
Kosonen Timo, 31-12-2022 15:18
Kosonen Timo
Re : Arachnopeziza eriobasis?
Hello,

This is an interesting sample! It must be Arachnoscypha. But it might be something else than A. aranea.

I studied A. aranea and eriobasis collections by Korf and I had diffiulties observing any difference. The main difference appeared to be the ecology. HOwever, I have never studied any (fresh) material from Castanea, mainly from Acer (leafs). All Scandinavian material is conspecific and I came to the conclusion that it fits better to A. aranea.

-More than willing to study this material! :-)

bw

Timo
Przemyslaw Drzewiecki, 31-12-2022 20:21
Re : Arachnopeziza eriobasis?
Hello,

I'm glad that the collection has a chance to fall into the right hands. Please enter the shipping address.

I wish you and the entire ASCOFrance community a Happy New Year.

Przemek