Peziza sp. en Hongrie - Forum ASCOFrance

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Peziza sp. en Hongrie

Zoltan Lukacs, 16-03-2020 14:08

Bonjour,

Sous Populus sp. et Pinus nigra, terrain sablonneux, jusqu'à 6 cm diamètre. Melzer + Spores: 15,64-17,35 x 7,48-8,52 µm.

Une idée?

Merci

Zoltan

Mirek Gryc, 16-03-2020 19:47

Re : Peziza sp. en Hongrie

Hi Zoltan

Not enough data!
Maybe compare with P. phyllogena (= P. badioconfusa)?

Mirek

Zoltan Lukacs, 17-03-2020 15:09

Re : Peziza sp. en Hongrie

Hi Mirek,

I know P. phyllogena (= P. badioconfusa) quite well, it has an olive color on the outside. See the picture. My friend, Attila Koszka' s idea: Peziza boltonii is the solution for me. Habitat, spores, colours are ok.

Thanks

Zoltan

Nicolas VAN VOOREN, 17-03-2020 17:52

Re : Peziza sp. en Hongrie

Hi Zoltan.
You should post the microphotos of ascospores in a higher resolution, because it's hard to correctly see the ornamentation. I don't believe in the hypotheses of P. phyllogena or P. boltonii.

François Valade, 17-03-2020 18:35

Re : Peziza sp. en Hongrie

I fully agree Nicolas.

It is a pity not knowing if there is a milky juice and its color. In my opinion, there is.

regards

François

Mirek Gryc, 17-03-2020 19:04

Re : Peziza sp. en Hongrie

Well, man learns all his life :)
I haven't met P. boltonii yet so I don't have experience with her. Last year I found Peziza which I finally decided to put on P. badioconfusa's website although I was thinking about P. boltonii. I don't know if it was right, because it was completely differently colored as found so far. The size of the spores, however, was appropriate for this species so I placed there.
See the last collection on this page: (2019.05.26)
Spores:
(18.4) 18.6 - 20.7 (21.3) × (9) 9.1 - 9.8 (10.2) µm
Q = (1.9) 1.92 - 2.2; N = 17
Me = 19.7 × 9.5 µm; Qe = 2.1
http://www.grzyby-pk.pl/gat_p/gat_peziza_badioconfusa.php

I do not know if I understood correctly, but you measured the dipped spores in Melzer (Melzer + Spores: 15.64-17.35 x 7.48-8.52 µm). If so, should their actual dimensions be 1-2 µm larger?
I don't use Melzer, I use Lugol. If the spores in Melzer have the same tendency to shrink as in Lugol then yours are much larger as you state?

In fact, as I looked more closely, macroscopic features do not match P. badioconfusa. Season too early for this species. I don't know how in Hungary but in Poland, P. badioconfusa grows in April-May. However, this year is unusual so it is difficult to assess when they will grow up.
Because the pictures do not see ornamentation and other features, which I mentioned earlier, identification is rather not possible?
Greetings from Poland
Mirek

Zoltan Lukacs, 18-03-2020 22:21

Re : Peziza sp. en Hongrie

Hi,

no milky juice.

Regards

Zoltan

Zoltan Lukacs, 18-03-2020 22:55

Re : Peziza sp. en Hongrie

Hi Mirek,

The P. phyllogena (= P. badioconfusa) is very common in Hungary April-May also. This is another species.

Measuring my friend, also in water and no Melzer: Correctly Melzer +, Spores:...

15,5-17,3 x 7,71-8,4 µm.

Q= 1,84-2,1 N= 5

Me= 16,4 x 8,1 Qe= 2

Best wishes

Zoltan

Zoltan Lukacs, 18-03-2020 23:02

Re : Peziza sp. en Hongrie

Hi Nicolas,

Sous Padus sp. et Pinus nigra.

This is better?

Zoltan

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