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Bonjour.J’ai essayé d’étudier un Daldinia.Qu

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BonjourSur bois très pourriApothécie 0,2 - 0,5 m

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Me mandan el material seco de Galicia (España), r

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éric ROMERO éric ROMERO

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Tomaz Vucko Tomaz Vucko

Hello! I found this Cistella on old stem of Impa

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Francois Guay Francois Guay

Hi! I found this interesting tiny ascomycete on i

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Hello, I'm conducting a mycological inventory in

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Hysteriaceae de Panama
Esquivel-Rios Eduardo, 16-07-2013 23:57
Hola todos.

Este es un  "disco" hysteriaceae encontrado en una rama seca  . Favor ayuda para identificacion.

Saludos.
  • message #24410
  • message #24410
  • message #24410
  • message #24410
Björn Wergen, 17-07-2013 00:07
Björn Wergen
Re : Hysteriaceae de Panama
Hi,

this is most probably a member of Rhytidhysteron, I think. Do the spores have longitudinal septa?

regards,
björn
Christian Lechat, 17-07-2013 04:28
Christian Lechat
Re : Hysteriaceae de Panama
It looks like Rhytidhysteron rufulum

Christian
Hans-Otto Baral, 17-07-2013 06:54
Hans-Otto Baral
Re : Hysteriaceae de Panama
yes, assuming that the spores are around 25 x 9 µm?

If you have KOH you can test the colour change from orange to pink (dissolving in the medium).

Zotto
Esquivel-Rios Eduardo, 18-07-2013 22:25
Re : Hysteriaceae de Panama
"It looks like a discomycete in the Pezzizales. But the three septate dark ascospores are not typical of this group. It may be Rhytidhysteron rufulum, but this usually has red pigmentation not yellow like yours. Also it starts closed then opens along a suture to form an assymetrical disk. Yours is symmetrical. I am sorry I can't be of much help here.

Sincerely,"


Eric Boehm

Hans-Otto Baral, 18-07-2013 22:28
Hans-Otto Baral
Re : Hysteriaceae de Panama
Dear Eric

I think this starts also closed and opens by a slit. The young apos on the photos seem to indicate this. 

Yes, it looks more yellow. I recall that the genus is not easy and maybe more species exiat than are described hitherto.

Zotto