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04-11-2025 14:53

Leptosphaeria?
Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

05-11-2025 11:33

Cladosporium ?
Pierre Repellin

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

04-11-2025 09:07

Hymenoscyphus on blueberry.
Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Protounguicularia transiens?
Edvin Johannesen Edvin Johannesen

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

03-11-2025 21:34

Tatraea sp. ? on Populus tremula
Edvin Johannesen Edvin Johannesen

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

03-11-2025 19:41

Ascomycetes
David Chapados David Chapados

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

28-10-2025 15:37

Bright orange stalked asco
Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hymenoscyphus phiala
Hans-Otto Baral Hans-Otto Baral

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

01-11-2025 09:14

Telogalla olivieri
Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Rutstroemia firma
Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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Calycellina (?) on hardwood
Enrique Rubio, 03-10-2009 21:56
Enrique RubioDear friends:
I'd like to know your opinion about this Calycellina (?) species that grows on indeterminate hardwood (Corylus, Betula?) at 1200 m of altitude.
Apothecia up to 1 mm of diam., shortly stipitate, hymenium deep yellow, golden yellow at maturity, excipulum whitish.
  • message #9146
Enrique Rubio, 03-10-2009 21:57
Enrique Rubio
Re:Calycellina (?) on hardwood
Spores 0 septate
  • message #9147
Enrique Rubio, 03-10-2009 21:59
Enrique Rubio
Re:Calycellina (?) on hardwood
Asci IKI bb. Apical apparatus apically enlarged. I hesitate about their croziers. I think they are negative, but sometimes it seems to have them.
  • message #9148
Enrique Rubio, 03-10-2009 22:00
Enrique Rubio
Re:Calycellina (?) on hardwood
Paraphyse with large, cylindrical refractive golden-yellow vacuoles
  • message #9149
Enrique Rubio, 03-10-2009 22:01
Enrique Rubio
Re:Calycellina (?) on hardwood
Apothecial margin with hyphal ends with the same refractive vacuoles
  • message #9150
Enrique Rubio, 03-10-2009 22:01
Enrique Rubio
Re:Calycellina (?) on hardwood
Ectal excipulum of prismatical-porrecta texture
  • message #9151
Enrique Rubio, 03-10-2009 22:04
Enrique Rubio
Re:Calycellina (?) on hardwood
Medullary excipulum with + - roundish hyphae tissue with highly gelified intercellular content.
Many thanks again for your kindly help
Enrique
  • message #9152
Hans-Otto Baral, 03-10-2009 22:10
Hans-Otto Baral
Re:Calycellina (?) on hardwood
Asci are surely with croziers. The excipulum has thick-walled cells, which is not so obvious here because the cells are alive. In section the texture should be steeply oriented on the lower flanks. I don't hesitate to say Bisporella citrina, but I must admit that this species is misplaced in Bisporella and has actually affinities with Calycellina.
Zotto.
Enrique Rubio, 03-10-2009 22:37
Enrique Rubio
Re:Calycellina (?) on hardwood
Dear Zotto:
I should have known so common species!!
I'm sorry
Enrique
Hans-Otto Baral, 03-10-2009 23:02
Hans-Otto Baral
Re:Calycellina (?) on hardwood
No problem, common species are also interesting and often rarely documented :-) And who knows, perhaps someone has a different opinion?

Zotto
Enrique Rubio, 03-10-2009 23:11
Enrique Rubio
Re:Calycellina (?) on hardwood
Thank you, Zotto
Good nights!
Enrique