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21-07-2025 19:22

Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

18-07-2025 23:03

Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

17-07-2025 11:55

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

15-07-2025 13:27

Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

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Tryblis arnoldii? No, Durella atrocyanea
Philipp Eschmann, 24-03-2022 14:57
Philipp EschmannHello everyone

I'm an amateur from Switzerland, this is my first post.

I found this fungus on a dead branche at about 900m altitude. The closest fit I could find is Tryblis arnoldii, but im not quite convinced yet. The size of the asci differs quite a bit from the values given in Cryptogamica Helvetica 23. Also the Substrate doesn't really fit. It looks like Fagus or at least deciduous wood to me.

Spores: 14.9 - 16.9 - 19.3 x 5.5 - 5.8 - 6.8. Q = 2.6 - 2.9 -3.4  n=14
Asci: ca. 90-100 x 13  IKI-


There are also Conidiomata present which look kinda similar in color. I wonder if it's the same fungus.

Any suggestions?

Best wishes
Philipp
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Enrique Rubio, 24-03-2022 15:05
Enrique Rubio
Re : Tryblis arnoldii?
Durella atrocyanea?
Piotr Perz, 24-03-2022 15:47
Re : Tryblis arnoldii?
Interesting red color of the substrate. 
The Plasia anamorph should be cyano-colored and have different conidia.
This can be the another one, similar to D. atrocyanea species.
Dont remember the name, sorry.
D. aurantonigra?
Philipp Eschmann, 24-03-2022 16:02
Philipp Eschmann
Re : Tryblis arnoldii?
Durella, of course... That was actually one of my first ideas after Patinellaria but somehow i got lost.

There is a Durella 'aurantionigra' in Zottos folders under Xylogramma where the conidia seem to fit better as in D. atrocyanea.
Hans-Otto Baral, 24-03-2022 17:02
Hans-Otto Baral
Re : Tryblis arnoldii?
Hello Piotr!!!

Yes, D. atrocyanea, as long as we do not understand this species better. D. aurantionigra was an idea but I am not sure about its value.

The substrate is not Fagus, I suppose Acer.

Zotto
Philipp Eschmann, 24-03-2022 17:10
Philipp Eschmann
Re : Tryblis arnoldii? No, Durella atrocyanea
Many thanks to you all!
Piotr Perz, 24-03-2022 22:08
Re : Tryblis arnoldii? No, Durella atrocyanea
Hello Zotto, 

Good to read you again :-) 
I need to look into my fungarium, because as far I remember there was two pure cultures from Plasia stage, usefull for sequencing.

MfG,
P.
Hans-Otto Baral, 25-03-2022 08:04
Hans-Otto Baral
Re : Tryblis arnoldii? No, Durella atrocyanea
Hi Piotr!

indeed I remember this also.

I see, one was without Plasia: PP 20071028

Plasia was here: 20100213-003H with long 3-7-septate conidia

Zotto
Michel Hairaud, 25-03-2022 08:28
Michel Hairaud
Re : Tryblis arnoldii? No, Durella atrocyanea
Hi Piotr !

I have no particular thing to add to your post but for the good surprise to see you again on this forum . I am sure you remember our meetings in France ... 
I can notice that you obviously kept a tight attach with ascomycetes. 
Please feel welcome !

AmitiésMichel