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14-04-2026 21:52

Thyriothecioid anamorph on Carex elata
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Hi,found on dead leaves of Carex elata. Conidia: 4

14-04-2026 20:31

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12-04-2026 17:56

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Found on dead stems in February earlier this year

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Please, could anyone send me this paper?Moyne G.,

11-04-2026 13:34

Requesting help with Dasyscyphella sp. ID
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Hello, I am seeking assistance with the identific

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Castillo Joseba Castillo Joseba

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Nectriaceae on Scleroderma
Stefan Blaser, 24-11-2015 11:24
Hello everybody,

I thought with this special substrate it may be easy. But No...
Any help welcome!

Substrate: The Basidiomycete Scleroderma sp.


Description:
Perithezia 0.2-0.25 mm Ø, bright orange, superficial, densely aggregated but not immersed in a stroma.
Spores 9-11 x 3-4 µm, 2-celled, hyaline, finely and indistinctly verrucose. Perithecial wall consist of round to angular cells of 5-10 µm diameter, containing large orange guttules.


Many thanks for inputs,


Stefan

  • message #39075
  • message #39075
  • message #39075
  • message #39075
  • message #39075
Alain GARDIENNET, 24-11-2015 13:43
Alain GARDIENNET
Re : Nectriaceae on Scleroderma

Hi Stefan,


Have you test KOH ? It could be more one Bionectriaceae than Nectriaceae.


Alain

Stefan Blaser, 24-11-2015 14:19
Re : Nectriaceae on Scleroderma
Hi Alain,

There was no reaction in KOH. So yes, likely Bionectriaceae...

Stefan

Christian Lechat, 24-11-2015 16:07
Christian Lechat
Re : Nectriaceae on Scleroderma
HI Stefan,
with orange oily droplet in the wall and hymenium, it is the genus Bionectria.
Your specimen looks like Bionectria solani but the ascomata should be seated on a basal, pseudoparenchymatous stroma, that seems the case in your images. Could you check this characteristic?

Christian
Stefan Blaser, 24-11-2015 16:53
Re : Nectriaceae on Scleroderma
Hi Christian,

That is the case, yes.
Here is a picture of the stromatic tissue beneath the perithecia.

Bionectria solani seems to have a very wide ecology. So I guess it ist possible on Scleroderma. I will have a close look at the species. Do you by any chance have a full description of B. solani.

Thank you very much
Stefan
  • message #39084
Alain GARDIENNET, 24-11-2015 17:21
Alain GARDIENNET
Re : Nectriaceae on Scleroderma

Hi Stefan,


You have all informations in SIM 46, on line.


Alain

Stefan Blaser, 24-11-2015 18:44
Re : Nectriaceae on Scleroderma
Yes I found it...

Merci bien, Alain et Christian!

Stefan