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22-06-2025 13:52

Peziza acroornata - Literature request
DirkW DirkW

Dear friends,anyone out there with this paper?:DOU

26-05-2025 18:09

Cytospora spec./ Valsa spec.
Henk Remijn

Good day,In a burned forest near Hulst on the bord

21-06-2025 22:27

Calycina?
David Chapados David Chapados

Hi,Is this a Calycina? C. herbarum?Growing on an h

20-06-2025 08:33

Ascomycete on a herbaceous stem.
Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

11-06-2025 16:26

Literature request
Jason Karakehian Jason Karakehian

Hi everyone, I am looking for the following protol

18-06-2025 19:24

Literature request
Bernard Declercq Bernard Declercq

Good evening,On Oenanthe aquatica we collected  a

17-06-2025 14:23

¿Hyaloscypha?
Josep Torres Josep Torres

Hello.A probable Hyaloscypha from last June 1st, s

18-06-2025 16:24

Anamorphe sur Lycopodium annotinum
Andgelo Mombert Andgelo Mombert

Bonjour,Un minuscule stade imparfait, qui pousse s

13-06-2025 16:34

Strossmayeria-like on Fagus
Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

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Niesslia?
Garcia Susana, 10-06-2013 21:11
Hello:

Pyrenomicete found that I can not identify


data:
Superficial pseudothecia. Size 140-175um in diameter
Host: leaves, probably Cornus sp
Hairs: 45-145 x 4 - 5um. Enlarged at the base (x10 - 13um). Thick wall, 2um. Pointed, not septate.
Asci and spores: data on the images


Consulting the bibliography I think it might be the genre Niesslia. But I have no information of the genre.
Could it be? Thanks in advance


A greeting


Susana
Navarra - Spain?

  • message #23813
  • message #23813
  • message #23813
Björn Wergen, 15-06-2013 02:07
Björn Wergen
Re : Niesslia?
Hi Susana,

interesting finding. Niesslia species do not have apical structures staining red in Congo. This is hint for a member of Diaporthales (and several smaller groups, like Annulatascaceae). But for now I don't know a species with this features.

regards,
björn
Garcia Susana, 17-06-2013 08:16
Re : Niesslia?
Hi Böjrn:

Thanks for your specification, I will try looking in the direction that you indicate.

Regards
Susana
Christian Lechat, 17-06-2013 10:15
Christian Lechat
Re : Niesslia?
Dear all,
I think this fungus is not Diaporthales because in this order, the asci are free in the centrum.
The genus Niesslia seems fit with Susana's collection. It would be useful to see a photo of ascomata on the substratum and asci observed in water.

Regards,
Christian
Garcia Susana, 17-06-2013 12:47
Re : Niesslia?
Hello
I send some pictures of the species on the substrate and asci observed in water.
I do not see paraphyses.

Regards
Susana
  • message #23926
  • message #23926
  • message #23926
Walter Gams, 01-07-2013 09:14
Walter Gams
Re : Niesslia?
Dear Susana,
Niesslia has quite superficial perithecia (not pseudothecia), which tend to collapse disc-like on drying. I do not think you have a Niesslia. Otherwise I would be very pleased to see it, because I am just trying to revise this large genus.
Best wishes        Walter Gams
Garcia Susana, 02-07-2013 11:35
Re : Niesslia?
Hi Walter:
Perithecia I found were superficial and loosely adherent to the substrate. Finally I believe that they could be of Niesslia ilicifolia.
I collect four perithecia, 2, I use for my observations, the other two I store. If you have interest in them I can send you the sample. Send me your address at private.
A greeting

Susana

Walter Gams, 02-07-2013 17:45
Walter Gams
Re : Niesslia?
Dear Susana, My address is Molenweg 15, NL-3743 CK  Baarn, Netherlands.
I look forward to examining your material and possibly getting a pure culture.
Best regards         Walter