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21-12-2024 12:45

Marc Detollenaere Marc Detollenaere

Dear Forum,On naked wood of Fagus, I found some ha

17-12-2024 12:33

Lothar Krieglsteiner Lothar Krieglsteiner

this fluffy anamorph was repeatedly found on decid

20-12-2024 20:30

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

21-12-2024 11:14

Michel RIMBAUD

Hello,Does somebody could send me a key for Olla/U

21-12-2024 09:08

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia,  recolecta

19-12-2024 09:27

Castillo Joseba Castillo Joseba

Llevo mas de 6 meses que no puedo contactar con Re

20-12-2024 00:01

Francois Guay Francois Guay

Hi, I found this species on incubated Fir needles

20-12-2024 20:34

Enrique Rubio Enrique Rubio

Perhaps some of you can help me identify this smal

18-12-2024 10:05

ruiz Jose antonio

Buenos días a todos, un pequeño ascomiceto de un

20-12-2024 17:32

Louis DENY

Bonsoir forumTrouvé à Belfort, 400 m altitude, s

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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.