Accès membres

Mot de passe perdu? S'inscrire

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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Hymenoscyphus blanc
Bernard CLESSE, 16-08-2016 21:21
Bernard CLESSESur brindille enterrée.

a) paraphyses cylindriques, très guttulées
b) asques IKI+, à crochet à la base (jeunes asques)
c) spores ovales-subfusiformes, à microguttules vers les pôles : 11-12x4,5-5

Une idée ?

Bernard
  • message #44392
  • message #44392
  • message #44392
Hans-Otto Baral, 16-08-2016 21:38
Hans-Otto Baral
Re : Hymenoscyphus blanc
Phaeohelotium imberbe seems to fit.
Bernard CLESSE, 16-08-2016 23:13
Bernard CLESSE
Re : Hymenoscyphus blanc
Good evening Zotto,

Thank you very much for your answer!


I know it's a matter of neophyte but can you remember the difference between genus Phaeohelotium and genus Hymenoscyphus ?

Best regards,

Bernard 

Hans-Otto Baral, 17-08-2016 07:33
Hans-Otto Baral
Re : Hymenoscyphus blanc
Phaeohelotium has mostly rather short apothecial stalks and non-scutuloid ascospores, often also short-celled isodiametrical excipular cells at the flanks..
Bernard CLESSE, 17-08-2016 08:33
Bernard CLESSE
Re : Hymenoscyphus blanc
Great, thank you Zotto !

Bernard