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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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Peziza 7105
Leandro Sánchez, 22-09-2021 11:33
Leandro SánchezSous Corylus, Fraxinus, Betula, jusqu'à 48 mm de diamètre. Avec un latex blanc abondant qui vire au jaune/vert.

Spores 17,7 (18,7) 19,2 / 10,0 (10,6) 11,5       Q= 1,65 (1,75) 1,85
Croziers -.

J'hésite entre P succosa et P succosella.
Merci d'avance.
Cordialement


  • message #70149
  • message #70149
Mirek Gryc, 22-09-2021 16:52
Re : Peziza 7105
Hi

Are you able to show the base of asci?

Mirek
Leandro Sánchez, 22-09-2021 17:51
Leandro Sánchez
Re : Peziza 7105
OK
  • message #70156
Mirek Gryc, 22-09-2021 18:31
Re : Peziza 7105
I'm sorry, I did not notice that you have already written "croziers (-)".
In my humble opinion, the features are more suited to the poorly mature ascomata P. succosa. Did you measure the free spores?
I would suggest check exactly how many drops occurs in mature spores?
Dimensions of spores are more suitable for P. succosa.
In my opinion, the macro features also meet this species.
However, I must admit that often in this group I met collections with intermediate features with which I also had huge problems.
Mirek
Leandro Sánchez, 22-09-2021 18:43
Leandro Sánchez
Re : Peziza 7105
Yes, the measurements are for free spores.
  • message #70158
Mirek Gryc, 22-09-2021 19:05
Re : Peziza 7105
In this picture I see the decisive majority of spores with two drops. In my opinion, such a spore content is more suitable for P. succosa.

In spores P. succosella, two drops usually only occur only in immature spores.

regards
Mirek
Leandro Sánchez, 23-09-2021 07:05
Leandro Sánchez
Re : Peziza 7105
Thank you. Mirek.