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04-11-2024 17:32

Yves Antoinette

Bonjour, je pense qu'il peut s'agir de Trichoderma

21-11-2024 17:21

Malcolm  Greaves Malcolm Greaves

This Geoglossum was found in a wet meadow. 7 sept

19-11-2024 15:51

Francois Guay Francois Guay

Hi everyone, I found this Antinoa-like species las

19-11-2024 00:36

Pérez del Amo Carlos Manuel Pérez del Amo Carlos Manuel

Hace unos días encontramos numerosos ejemplares d

19-11-2024 14:48

Watt John

Scoring the characters on Mal's Tombio key actuall

12-11-2024 16:43

Ethan Crenson

Hello all, This weekend a friend found these dark

19-11-2024 08:57

Lothar Krieglsteiner Lothar Krieglsteiner

.. on dead stems of indet.dicotyl, maybe Phytolacc

19-11-2024 20:00

Stephen Martin Stephen Martin

I have found this intriguing fungus which looked l

19-11-2024 14:08

Dragiša Savic

Hello everyone, some interesting anamorphs. The fi

19-11-2024 17:21

Garcia Susana

Hola a todos. Mando este ascomiceto que no consig

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Hymenocyphus or Rutstroemia
Pavel Jiracek, 08-10-2024 13:44
I think this is R.bolaris. How can I verify that and eliminate Hymenocyphus?

On a piece of unidentified wood (Alnus, Crataegus?), Central Scotland.

Spores 16x5, asci 130-140x10-11
Fruit bodies up to 8 mm across.

Thanks
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Hans-Otto Baral, 08-10-2024 17:37
Hans-Otto Baral
Re : Hymenocyphus or Rutstroemia
Clearly a Hymenoscyphus, and it looks much like the common H. subferrugineus.
Pavel Jiracek, 08-10-2024 18:20
Re : Hymenocyphus or Rutstroemia
Thanks, Hans-Otto,
Can you, please, share what made you identify it? Macro micro or both?
It is large, 8mm.
Hans-Otto Baral, 09-10-2024 20:25
Hans-Otto Baral
Re : Hymenocyphus or Rutstroemia
You can look into my folders, I have a folder "Hymenoscyphus calyculus-group".

In a wide sense this is H. calyculus, but I learned by type studies that H. subferrugineus (= Helotium broomei) fits what I often found, whereas H. calyculus remained a very difficult species which I did not see since again a long time.

H. subferrugineus has a bit shorter, more cylidrical (less scutuloid) spores.

My article on this is regrettable still unfinished.
Pavel Jiracek, 09-10-2024 20:34
Re : Hymenocyphus or Rutstroemia
Thank you again. I'll check your folders.