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03-02-2026 20:44

Zetti Mario

When I first saw this white mould on an Agaricus s

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

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Mollisia on Quercus twig
Juuso Äikäs, 08-07-2023 19:24
These Mollisia fruitbodies were growing on a twig of Quercus robur in a park-like environment.

Asci 8-spored, with croziers, IKI+(bb). Paraphyses with a mollisioid VB, KOH negative. Spores clavate, measuring:

(10) 10.2 - 13.8 (14.3) × (2.5) 2.7 - 3 (3.3) µm
Q = (3.4) 3.6 - 5.26 (5.3) ; N = 10
Me = 11.7 × 2.9 µm ; Qe = 4.1

Any hope getting to species level?
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Hans-Otto Baral, 08-07-2023 20:48
Hans-Otto Baral
Re : Mollisia on Quercus twig
The VBs I see only very faintly reactive. This could point to a Pyrenopeziza. Otherwise I would have compared Mollisia scopiformis ("pyrenopezizoides").
Ingo Wagner, 08-07-2023 23:29
Ingo Wagner
Re : Mollisia on Quercus twig
Hi Juuso!

Quercus-twig an spore measurments reminds me on this Mollisia:
https://drive.google.com/drive/u/0/folders/1kfuOFYYOk3S_BRmaBln47qyPm0lMfW0Q?tid=0B5SeyOEkxxZhYVZub0N1aGY5YTg

As far as I know it doesn't have a official name yet.

Greetings
Ingo W
Hans-Otto Baral, 09-07-2023 08:03
Hans-Otto Baral
Re : Mollisia on Quercus twig
Good idea, Ingo! You have these species better in mind. Let's hope that this species gets resolved with a name in the far future. Juuso, could you please send me the collection date and coordinates?
Juuso Äikäs, 09-07-2023 10:38
Re : Mollisia on Quercus twig
That does indeed look tike a good fit! Thanks! The paraphyses did look like typical Mollisia ones with the long VBs. Maybe they're not in the best condition in the micropic. I'll mail the collection data later today.

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There were also old Colpoma quercinum fruitbodies (plus a couple fresh ones) on the twig, like on some photos in the folder. At least some of the Mollisia fruitbodies seemed to be growing from the old slits made by C. quercinum.
Hans-Otto Baral, 09-07-2023 10:49
Hans-Otto Baral
Re : Mollisia on Quercus twig
Yes, Colpoma might be an indicator. And the VBs were indeed more refractive in the finds from 2017-2019.
Gernot Friebes, 02-05-2025 20:33
Re : Mollisia on Quercus twig
Hi,

I found this very interesting species a couple of days ago: https://www.inaturalist.org/observations/277793059

Best wishes,
Gernot
Hans-Otto Baral, 02-05-2025 20:39
Hans-Otto Baral
Re : Mollisia on Quercus twig
Hi Gernot

yes, this sounds very similar.

Zotto
Ingo Wagner, 03-05-2025 18:31
Ingo Wagner
Re : Mollisia on Quercus twig
Hi Gernot!

Nice find!!

Greetings
Ingo
Gernot Friebes, 13-05-2025 09:47
Re : Mollisia on Quercus twig
I was lucky to find this species again last weekend, this time in a completely different area but again on a Quercus branch with Colpoma quercinum.
A pity it doesn't have a name yet.

Best wishes,
Gernot
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