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05-07-2025 12:38

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Genea sphaerica ?

Thorben Hülsewig, 24-03-2016 20:56

Hi there,
today i found in a mixed forest (Quercus/Fagus) this truffle.
Can it be that there is a Genea sphaerica ?

best regards,
Thorben

Nicolas VAN VOOREN, 25-03-2016 12:11

Nicolas VAN VOOREN

Re : Genea sphaerica ?

Is it possible to see the spores in Cotton Blue? It's important to see clearly the ornaments.

Enrique Rubio, 25-03-2016 16:57

Enrique Rubio

Re : Genea sphaerica ?

Nicolas is right. Images of mature ascospores in cotton blue are needed, but I think your fungus is not G. sphaerica that has memisphaerical tubercles as you can see http://www.ascofrance.fr/search_recolte/2304

Thorben Hülsewig, 26-03-2016 16:19

Re : Genea sphaerica ?

The truffles I have now been sent to an expert in Germany.
He thinks it could be possibly Genea verrucosa.
Here are the last pictures that i have made in cotton blue.

Enrique Rubio, 26-03-2016 20:21

Enrique Rubio

Re : Genea sphaerica ?

Hi Thorben

We need more pics of the ascospores profile for to observe better their ornamentation