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21-04-2025 10:52

Castillo Joseba Castillo Joseba

me mandan el material de Galicia (España), recole

29-03-2025 05:45

Sebastien Basso

Hello, I'm conducting a mycological inventory in

18-04-2025 23:16

Robin Pétermann Robin Pétermann

Bonjour, Voici une probable Mollisia, genre que j

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Per Marstad Per Marstad

Dear Ascofrance. I have not posted pyrenos for a l

19-04-2025 18:58

Michel Hairaud Michel Hairaud

Bonjour,Je recherche l'article suivant :  ... K

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Henri Koskinen

Could you help me in the right direction with this

18-04-2025 21:54

Hartmut Schubert Hartmut Schubert

Hi Forum,I found this aquatic pyrenomycete a few d

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Hello.An anamorph photographed under holm oaks thi

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Francois Guay Francois Guay

I found this interesting reddish Helotiales growin

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Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España), r

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Orange disc, Melastiza flavorubens
Margot en Geert Vullings, 03-10-2024 20:56
These orange discs were found in September on moist soil in the verge along a forest path.
Diameter 2-6mm sessile, the inside orange, outside with brown fibers, the edges with very small whitish hairs.

Asci 200 x 9.5 µm, IKI negative


Spores elliptical with thick warts and an irregular network.
Measured in water Me = 16.9 × 8.3 µm; Qe = 2


Paraphyses narrow cylindrical with orange content, slightly thickened towards the top.


With the key of Häffner we arrive at Melastiza flavorubens, can this be correct?


Thanks in advance for your help
Margot&Geert Vullings

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Michel Hairaud, 04-10-2024 18:34
Michel Hairaud
Re : Orange disc, Melastiza flavorubens?
Hi Margot, 

The incomplete spore network of your collection would lead me to call it M. flavorubens. 

Amitiés
Michel
Margot en Geert Vullings, 04-10-2024 19:12
Re : Orange disc, Melastiza flavorubens?
Thank you very much Michel for the confirmation.
That would be great, Melastiza flavorubens has not been seen in the Netherlands since 1999.
Kind regards,
Margot&Geert
Nicolas VAN VOOREN, 06-10-2024 09:12
Nicolas VAN VOOREN
Re : Orange disc, Melastiza flavorubens
There is also a very complete key to Melastiza available on ascomycete.org, section Keys.
Margot en Geert Vullings, 06-10-2024 19:38
Re : Orange disc, Melastiza flavorubens
Thank you very much Nicolas, we had not seen that.
The key of Dougoud also gives M. flavorubens.
Kind regards,
Margot&Geert