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05-04-2026 22:46

Lothar Krieglsteiner Lothar Krieglsteiner

on wood of Ceratonia, Algarve, 3.4.2026.The color

15-05-2026 13:33

Sylvie Le Goff

Bonjour à tousJe serais très reconnaissante enve

16-03-2011 14:31

roman vargas alberto

Hi. I would like some opinion about this Peziza

14-05-2026 05:36

Ethan Crenson

Hi all,  I haven't paid much attention to Lachnu

10-05-2026 23:17

Andreas Gminder Andreas Gminder

Hello,today we found in a moist steep decidous for

11-05-2026 12:32

Bernard CLESSE Bernard CLESSE

Pourriez-vous m'aider à identifier cette héloti

13-05-2026 15:26

François Freléchoux François Freléchoux

Bonjour,Voici une récolte faite il y a quelques j

12-05-2026 15:41

Nicolas VAN VOOREN Nicolas VAN VOOREN

Dear Ascolovers, especially interested in Pezizale

13-05-2026 12:05

Thierry Blondelle Thierry Blondelle

Bonjour à tous,J'aimerais avoir confirmation de c

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

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minute hairy discomycete from Portugal - Fuscolachnum?
Lothar Krieglsteiner, 06-04-2026 08:15
Lothar Krieglsteinersome days ago, on the lower surface of leaf of Quercus suber, together with Micropeziza mollisioides and Penicillium aureocephalum, Algarve.
The apothecia were not fully ripe and its hairs were agglutinated with amorphous crystals to large extent. The few free spores (quite moving in the slide) were about 5-7/1,5-2 µn large. Paraphyses are filiform and with some guttule content. The asci are (some ..) 8-spored, and I did not find croziers. With Barals solution they react faintlly bluish (hardly to get in the picture). The excipulum is of textura angularis-prismatica, the end-cells (as they could be observed) are about 20-35/3-4 µm long and brownish, they bear protuberances similar to Mollisina but shorter. 
Who can help further?
Best regards, Lothar
  • message #85024
  • message #85024
  • message #85024
Hans-Otto Baral, 06-04-2026 09:35
Re : minute hairy discomycete from Portugal - Fuscolachnum?
Hallo Lothar

this must be Graddonidiscus hispanicus, which should have simple-septate ascus base. 

Alternatively G. vandae (= Dasyscyphus coruscatus) should be compared, whch has croziers.

See my folders in Hyaloscyphaceae, HB 7466, ERD 7054, HB 5199a
Lothar Krieglsteiner, 06-04-2026 09:50
Lothar Krieglsteiner
Re : minute hairy discomycete from Portugal - Fuscolachnum?
Hello Zotto,
great - thank you very much.
I forgot to add in my post that I did not find croziers.
Best regards, Lothar