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10-09-2025 17:18

Blasco Rafael Blasco Rafael

Hola, encontre este estiercol de vaca estos apotec

02-09-2025 11:34

Thomas Læssøe

https://svampe.databasen.org/observations/10527903

10-09-2025 23:53

Marcel Heyligen Marcel Heyligen

Found on Robinia pseudoacasia together with Diapor

07-09-2025 08:19

Josep Torres Josep Torres

Hello.Tiny pinkish discomycetes, photographed and

09-09-2025 12:07

Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

08-09-2025 19:07

ruiz Jose

Hola me pasan esta recolecta en madera de fraxinus

03-09-2025 21:59

Philippe PELLICIER

La Léchère, Col de la Madeleine, alt 1970m, au s

06-09-2025 21:40

David Chapados David Chapados

Hi, Does somebody know the genus that has those b

07-09-2025 11:34

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I have identified this fungus as Hymenoscyph

05-09-2025 09:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Bonjour, hi everyone,Do you know where the fungari

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Another fungus on Tilia wood
Enrique Rubio, 01-01-2013 18:10
Enrique RubioHello again and happy new year for all


Together with the ascomata of Psilocistella/Psilachnum species on Tilia wood that turns reddish with ammonia vapour (see the macrophoto) they were another witish cupulate ascomata with big 8-spored  asci IKI (-) negative and croziers (+) positive. IKI  with KOH pret. is negative (-) too.

The marginal hairs are very agglutinated and very difficult to segregate. Initially they seem to be smooth but the end cell is very finelly verrucose in KOH. For it, my impression is that this fungus could be a Cistella species that I don't know.
What do you think?

Many thanks again
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Hans-Otto Baral, 01-01-2013 18:30
Hans-Otto Baral
Re : Another fungus on Tilia wood
I once had a Cistella on Tilia bark of an attached branch, together with a strange and new Orbilia (O. jurana) on the calcareous Schwäbische Alb. It has also inamyloid asci but spores much smaller (7-12 x 2-2.8), so I identified it as Cistella cf. mali. Yours has too large spores for mali.

One with such large spores on Populus bark (HB 6930) has faintly hemiamyloid apical rings.

Zotto
Guy Garcia, 01-01-2013 18:31
Re : Another fungus on Tilia wood
Bonjour Enrique,

voir peut-être du côté de "Cistella" perparvula mais tes spécimens présentent des spores et des asques plus grands.

Amitiés, Guy
Enrique Rubio, 01-01-2013 21:47
Enrique Rubio
Re : Another fungus on Tilia wood
Thank you to both.
So, Cistella sp.