Accès membres

Mot de passe perdu? S'inscrire

25-03-2025 12:27

Yanick BOULANGER

BonjourRécolté par un ami le 23/03/20025Cela sem

23-03-2025 12:01

Thierry Blondelle Thierry Blondelle

Bonjour à tous,Ce sont de petits coussinets blanc

24-03-2025 14:58

Karl Soler Kinnerbäck

Hi,Dark, erumpent disco on Vaccinium myrtillus, ce

24-03-2025 16:20

Henri Koskinen

I found this very small Elaphomyces on a wet almos

23-03-2025 20:27

Thomas Flammer

I have no idea where to startsubstrate: deciduous

19-03-2025 17:47

Philippe  Larue Philippe Larue

Bonjour à tous, chaque année à l'approche du p

23-03-2025 10:09

Michel Hairaud Michel Hairaud

Bonjour, Hi to everyone, The English text is avail

23-03-2025 01:00

Juuso Äikäs

These little black pyrenos were growing on bark of

20-03-2025 22:35

Yanick BOULANGER

BonsoirJ'ai récupéré cet ascomycète d'un amiJe

19-03-2025 09:29

Michel Hairaud Michel Hairaud

Bonjour, Récolté sur hépatiques colonisant un

« < 74 75 76 77 78 > »
Peziza - please help.
Sergey Markov, 02-06-2022 12:52
I'm having trouble identifying a specimens of Peziza.

Apothecia are not small, up to 80mm in diameter. On loam soil  in wet place under Corylis. In the field i assumed the species from P.varia/P.repanda complex, but microscopy brought a surprise - ornamented (finely punctate with some interconnects) spores. Now I don't understand at all what kind of species it is and I ask for help identifying it.

Microphotos of excipulum are in the order from outer to hymenium.
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
  • message #72876
Michel Hairaud, 02-06-2022 13:11
Michel Hairaud
Re : Peziza - please help.
Hi Sergey , 
DId you consider P. arvernensis ? AMitiés
Michel
Sergey Markov, 02-06-2022 13:47
Re : Peziza - please help.
Thank You very much, Michel!

I studied "Lantieri, Angela & Medardi, Gianfranco & Alvarado, Pablo. (2016). Morphological and phylogenetic clarification of Peziza arvernensis, P. pseudovesiculosa, P. pseudosylvestris , and P. domiciliana." and my specimens fits very well into description of P.arvernensis.

Before that, I was mistakenly sure that this species grows on burnt substrates, plaster, brickwork, e.t.c., but not on soil and/or woody remnants
Nicolas VAN VOOREN, 02-06-2022 13:55
Nicolas VAN VOOREN
Re : Peziza - please help.
Another interesting character of this species is the presence of bipolar spore granules (see your pics 7 to 9). Species of the varia complex do not show such granules.