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12-11-2025 21:47

ruiz Jose

Hola a todos, me envían esta colección en resto

12-11-2025 09:25

Viktorie Halasu Viktorie Halasu

Hello, I need help with a pale terrestric Pseudom

11-11-2025 20:16

Bohan Jia

Hi, lastly I have found these tiny yellow decayin

09-11-2025 13:20

Josep Torres Josep Torres

Hello.A tiny ascomycete, appearing as erupting gra

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

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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.