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20-03-2026 12:53

Eutypa spec. (?)
Stefan Blaser

Hello everybody, In the field, from distance, my

20-10-2017 09:23

Hymenoscyphus ¿calycinoides?
Garcia Susana

Este otro crecía en el mismo trocito de madera qu

20-03-2026 16:16

Pseudomassaria-like on Cornus alba
Edvin Johannesen Edvin Johannesen

These 0.5 mm diam. acervuli were breaking through

19-03-2026 19:34

Xylariaceae? on Carpinus betulus wood
Filip Fuljer Filip Fuljer

Hello everyone,a few days ago I collected this str

19-03-2026 18:25

Myriosclerotinia curreyana?
William Slosse William Slosse

Good evening everyone, On 18/03/26 I found a few

17-03-2026 10:09

Lasiobelonium corticale ?
François Freléchoux François Freléchoux

Bonjour, Voici la description rapide d'un petit d

19-03-2026 15:58

"Lasiosphaerioid"
Stefan Blaser

Hello everybody, I hope for some hints... Macro:

19-03-2026 17:50

Massarina on Corylus
Enrique Rubio Enrique Rubio

Hi to everybodyThese thiny, blackish pseudothecia

18-03-2026 13:09

Orbilia on Celtis occidentalis
Khomenko Igor Khomenko Igor

I recently examined Celtis occidentalis branches

17-03-2026 19:41

Pyréno sur branche morte de chêne
Bernard CLESSE Bernard CLESSE

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

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Ascomycete on crust
Dieter Slos, 26-12-2012 10:24
Hi all,

I found this small ascomycete on a corticoid fungus. I have totally no idea where to start. Any ideas would be welcome. The spores are about 23 x 13 µm. I only found one fruitbody.

Regards,
Dieter
  • message #20867
  • message #20867
  • message #20867
Hans-Otto Baral, 26-12-2012 13:13
Hans-Otto Baral
Re : Ascomycete on crust
an Erisyphales I suspect.
Dieter Slos, 26-12-2012 14:18
Re : Ascomycete on crust
Thanks Zotto,

Any idea of usable keys in this order? And I suspect this is the theleomorph because it produces asci?

Dieter
Hans-Otto Baral, 26-12-2012 14:54
Hans-Otto Baral
Re : Ascomycete on crust
I hope someone else in this forum can help here. The hairs are surely important for an identification.

Chris Yeates, 27-12-2012 21:34
Chris Yeates
Re : Ascomycete on crust
I agree with Zotto about Erysiphales; always a challenge when you don't know the original host; to start with you need good details of the hairs (length, number and whether they have terminal ornamentation), plus how many asci are in the chasmothecium and how many spores per ascus . . .
amitiés
Chris
Dieter Slos, 29-12-2012 10:53
Re : Ascomycete on crust
Oké, thx for the confirmation. It seems that I have to find more material before I can continue this quest.

Dieter
Chris Yeates, 29-12-2012 13:53
Chris Yeates
Re : Ascomycete on crust
Hello Dieter
try and discover which host plant this came from - that is by far the easiest way to begin to identify members of the Erysiphales
best wishes
Chris