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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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Scutellinia umbrarum?
Villalonga Paco, 08-07-2024 23:34
Small Scutellinia growing in garden soil (calcareous) at 200 m elevation, Castellon, Spain

Spores:

(15.7) 16.2 - 19.2 (20.1) × (11) 11.7 - 13.8 (14.9) µm
Q = (1.3) 1.32 - 1.5 (1.6) ; N = 25
Me = 17.6 × 12.5 µm ; Qe = 1.4

Warts around 2 um wide

Hairs:

Twisted and irregular

190.7 - 313.6 long

17 - 26 wide

Walls 3.75 - 5.5

4 - 6 septa

Considering S. pseudoumbrarum but spore decoration looks too thick.  Maybe S. umbranum?
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Malcolm Greaves, 09-07-2024 12:36
Malcolm  Greaves
Re : Scutellinia umbrarum?
We need to see the ornamentation more clearly to be sure, ideally in LCB
Nicolas VAN VOOREN, 09-07-2024 18:31
Nicolas VAN VOOREN
Re : Scutellinia umbrarum?
Agree with Mal, we need to see the ascospore ornamentation in cotton clue.
The sporez size seems a bit smaller than usual size of S. umbrorum
Villalonga Paco, 10-07-2024 23:48
Re : Scutellinia umbrarum?
Hope these are better, last one in LB.

I need to upgrade my objective.
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Malcolm Greaves, 12-07-2024 18:24
Malcolm  Greaves
Re : Scutellinia umbrarum?
Sorry Villalonga
These are still not clear enough to give a definitive id.
This photo shows the sort of clarity we are looking for.
Mal
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Villalonga Paco, 20-07-2024 17:15
Re : Scutellinia umbrarum?
Ok, I understand. Scutellinia sp untill I can study it better with a better objective.

Thanks