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18-12-2025 17:23

Bruno Coué Bruno Coué

Bonjour,je serais heureux d'avoir votre avis sur c

18-12-2025 21:17

Pol Debaenst

The identification took me to Byssonectria deformi

18-12-2025 18:07

Margot en Geert Vullings

These plumes were found on rotten wood.They strong

17-12-2025 18:35

Michel Hairaud Michel Hairaud

Bonjour à tous/Hi to everyone I am passing along

21-11-2025 10:47

François Freléchoux François Freléchoux

Bonjour,Peut-être Mollisia palustris ?Trouvée su

15-12-2025 15:48

Danny Newman Danny Newman

Melanospora cf. lagenaria on old, rotting, fallen

15-12-2025 15:54

Johan Boonefaes Johan Boonefaes

Unknown anamorph found on the ground in coastal sa

15-12-2025 21:11

Hardware Tony Hardware Tony

Small clavate hairs, negative croziers and IKI bb

15-12-2025 07:09

Danny Newman Danny Newman

indet. Rutstroemiaceae sp. on unk. fallen leavesMc

15-12-2025 21:47

Pol Debaenst

Good evening, On 12/11/2025 I found ascomycetes w

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Ascocoryne cylichnium?
Andrés Valverde Valera, 25-10-2022 18:44
Andrés Valverde ValeraBuenas tardes, 

Os envío fotos de este ascomicete, recolectado sobre un tronco muerto y decorticado de planifolio, cerca de Tregurà (Pirineos catalanes) el pasado 15/10. 

Apotecios 0,5-0,8 x 0,4-0,6 cm. 

Esporas 19,9 - 25,4 x 5,4-6 µm. 

Asca de 173 x 10 micras. También he medido otra que alcanzaba los 13,3 µm de ancho. Extremo apical amiloide. 

Pienso en Ascocoryne cylichnium, con esporas no maduras del todo...  

Muchas gracias por vuestra ayuda. 

Saludos, 

Andrés Valverde Valera 
El Prat de Llobregat
  • message #74145
  • message #74145
  • message #74145
  • message #74145
Hans-Otto Baral, 25-10-2022 21:14
Hans-Otto Baral
Re : Ascocoryne cylichnium?
Hello

the spores are mature, they were forcibly ejected from the asci in your preparation. Only when overmature they get septate and produce conidia.

Yes, this is A. cylichnium, easily recognized by the multiguttulate spores. But there is a sibling with the same characteristics, the only difference is in the ascus base (without croziers vs. with croziers in cylichnium). There appears to be no published name for the species without croziers.

Zotto
Andrés Valverde Valera, 25-10-2022 22:47
Andrés Valverde Valera
Re : Ascocoryne cylichnium?
Thank you very much Zotto!!

Andrés