Ascomycete on crust - Forum ASCOFrance

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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

Hans-Otto Baral, 26-12-2012 13:13

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

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

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

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

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