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31-08-2025 17:32

Michel Hairaud Michel Hairaud

Bonjour, Pas d'identité trouvée pour cette réc

31-08-2025 19:41

Enrique Rubio Enrique Rubio

Hi to someone.I need to download this issue of Sve

31-08-2025 14:34

Thomas Flammer

I have found a Rutstroemia on abt. 2000 m on Alnus

29-08-2025 19:04

Thomas Flammer

Spores 21.2 - 26.2 x 8.3 - 11.3 µm - Q: 2.20 - 2.

30-08-2025 18:29

Joaquin Martin

Hi,I found this undetermined ascomycete on broadle

28-08-2025 17:24

Thomas Flammer

I know, that this is not the real topic of this fo

29-08-2025 05:16

Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

24-08-2025 21:59

Edmond POINTE Edmond POINTE

Bonsoir amis mycologues,Trouvé sur crottin de che

27-08-2025 12:02

Pavol Palo

Hello dear friendsI would like to ask for sharing

25-08-2025 17:37

François Freléchoux François Freléchoux

Bonjour,Nous avons trouvé samedi dernier à l'ét

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On Carex
Enrique Rubio, 31-07-2016 19:14
Enrique Rubio

I'd like to know your opinion on these small (0.2-0.4) broadly sessile, with a hymenium with olivaceous hues and a brownish black, not hairy, excipulum. It is possible they grew from a shield of hyphae, but I'm not sure. They were found on Carex leaves together with Caricinella species, at 1700 m.


Ascospores 1-septate even inside the living asci, without sheath. Paraphyses with some VBs covered by a greenish mucilagous covering. Ectal excipulum textura globulosa of brownish roundish cells,a s in the margin.


I have explored Scutomollisia, Hysteronaevia and other related genera of fungi on Cyperaceae but without success.


Could yo help me?


Thanks again

  • message #44124
  • message #44124
  • message #44124
Hans-Otto Baral, 31-07-2016 20:04
Hans-Otto Baral
Re : On Carex
I think it is a Scutomollisia. I compared my drawing of Mollisia integromarginata cf., HB 5844.

From your scale I measure the spores as 17-22 x 3.2-3.6 µm, which is still wider than in my sample. Graddon says 12-16 x 2-2.5 µm.

But I saw strongly refractive VBs, while in yours I can hardly see them.

Zotto
Enrique Rubio, 31-07-2016 20:29
Enrique Rubio
Re : On Carex

Hi Zotto


The strongly refractive BVs are absolutelly absent in my collection, even in young apothecia. But yes, it seems to be a good solution for my problem. Could these structures (marked with red arrow) of the fungus the scutum be?


Thanks a lot

  • message #44127
  • message #44127
Hans-Otto Baral, 31-07-2016 20:33
Hans-Otto Baral
Re : On Carex
yes, exactly.

Graddon has seen a vacuolar content but did not mention it.
  • message #44128
Enrique Rubio, 31-07-2016 20:41
Enrique Rubio
Re : On Carex

Thank you, Zotto. Jesus is now collecting more fresh material for me. Tomorrow I'll study more young ascomata for to have a better idea of the paraphyses content. 


I'll keep you informed

Enrique Rubio, 02-08-2016 21:26
Enrique Rubio
Re : On Carex

Hi Zotto


I could  study fresh material sent to me by Jesus, and I could see the greenish refractive content of the young paraphyses that seems dissapear soon. By the other hand they are allways covered by a greenish mucous amorphous substance.


So. it seems to be a good Scutomollisia and integromarginata seems to fit well with my fungus.


Thanks a lot

  • message #44175
  • message #44175
Hans-Otto Baral, 02-08-2016 21:31
Hans-Otto Baral
Re : On Carex
oh yes indeed. But I feel the apothecia are not in the best shape, perhaps the VBs are more stable when in optimum living state.
Enrique Rubio, 02-08-2016 21:38
Enrique Rubio
Re : On Carex
It's possible. But we have not material fresher than this