Peziza sp?!? - Forum ASCOFrance

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Peziza sp?!?

Edit Szilvásy, 23-06-2013 13:50

Dear Forum,
Yesterday I have been found this specie on the mossy ground.
They are small, 10-12 mm diametres. Fruitbody is red, an unusually tough and thick. Spores are 13(14) – 7 (8) micros, with 2 drops oils.
With Lugol is J+. I think this specie is a Peziza.

Any idea?

Thank you, best regards
Edit

Nicolas VAN VOOREN, 23-06-2013 14:29

Re : Peziza sp?!?

This is a Melastiza species, and you must test again the amyloid reaction of the asci, because it cannot be seen a positive reaction in such species.

Edit Szilvásy, 23-06-2013 14:46

Re : Peziza sp?!?

Dear Nicolas,
Now I'm learning the Lugol reaction, unfortunately I was wrong.
I'll try again.
Thank you for your suggestions.
Edit

Raúl Tena Lahoz, 23-06-2013 15:16

Re : Peziza sp?!?

Hi there

I would also consider Aleuria aurantia. Try to check if you find marginal hairs (present in Melastiza) or not. And quicker: if you check the asci base it should not have croziers if it is Aleuria aurantia while Melastiza cornubiensis (=chateri) has croziers.

Raúl

Edit Szilvásy, 23-06-2013 16:32

Re : Peziza sp?!?

Hi Raúl and Nicolas,
I made a test again. I could not find marginal hairs.

I read now J. Breitenbach/Champignons de Suisse: „.... Paraphyses á contenu granuleux orangé teinté en vert par l'iode"

I thought this is the J + :-((
I apologize.

After they confirmed the Aleuria aurantia?
Thank you both for your help.

Edit

Raúl Tena Lahoz, 23-06-2013 16:56

Re : Peziza sp?!?

Hi Edit

If you didn´t see the hairs, then ok for Aleuria aurantia, but notice that they are not very much evident, not pointed nor protuding. Here you have a couple of links where you can see the hairs of Melastiza:

http://www.actafungorum.org/actaforum/viewtopic.php?t=2662
http://www.actafungorum.org/actaforum/viewtopic.php?p=12471#p12471

Raúl

Edit Szilvásy, 23-06-2013 17:58

Re : Peziza sp?!?

Hi Raúl,
Thanks for the links, all the information is useful to me.
Unfortunately, my fungi aren't typical, edges of the snails eaten.
This fungus was a good learning.
Cheers
Edit

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