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05-05-2024 12:55

Sylvie Le Goff

Bonjour Peut on dire que les poils soient vitreux?

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Gernot Friebes

Hello,I failed to identify this anamorph, which gr

19-04-2015 20:20

Enrique Rubio Enrique Rubio

Hi again Could you help me with this paper? NANN

30-04-2024 16:22

François Bartholomeeusen

Dear forum members,On April 25 2024, I found one f

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Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde on Rubus fr

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éric ROMERO éric ROMERO

Bonjour, Une question à propos de la réaction a

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Ethan Crenson

Hi all, Found late last week in a New York City p

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Robin Isaksson Robin Isaksson

Hi! Found in Sweden. Ascomata with haris, se

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F. JAVIER BALDA JAUREGUI

Hello, everyone.An idea for this pyreno, I found u

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Bonjour. Petite pézize récoltée au sol en bordu

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Rutstroemia?
Yatsiuk Iryna, 18-10-2010 15:34
Yatsiuk IrynaHello, everybody!
This fungus was collected on plant debris in oakwood.
Some microscopic dimensions:
Sporesize - 13-17 * 3,8-5,3 um
Asci: 100-120*8-9 um
Small spores (presumably conidia?) are presented - 3,6*1 um
Apical pore blue in IKI
Pleace, help to determinate. I'm only beginner in studying discomycetes, so be grateful for any adviсe!
Thank you,
Irina
  • message #13032
Hans-Otto Baral, 18-10-2010 16:37
Hans-Otto Baral
Re:Rutstroemia?
dear Irina

yeas that looks like Rutstroemia firma. Your spores looke septate but mature spores are still aseptate, and wehn alive contain big drops.

The conidia formed on the overmature spores are subglobose and contain one drop. Do you have the fungus still fresh? Did you try mounting in tap water?

Zotto
Yatsiuk Iryna, 19-10-2010 13:39
Yatsiuk Iryna
Re:Rutstroemia?
Dear Zotto,

Thank you very much. This specimen was mounted in water. Unfortunately, I don't have fresh one.

Irina
Marja Pennanen, 20-10-2010 22:03
Re:Rutstroemia?
Hello Irina and Zotto.

I just happened to study a specimen I suppose is R. firma. It's quite common here in late autumn on Betula twigs.

Here's a poor photo of spores in water.

Marja
  • message #13081
Hans-Otto Baral, 20-10-2010 22:07
Hans-Otto Baral
Re:Rutstroemia?
Yes, that's tres bienn. And it is easily seen that also fresh material contains dead spores (the two on the right).

Zotto