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Mot de passe perdu? S'inscrire

27-08-2012 11:48

Nomenclatural note (2)
Alessio Pierotti Alessio Pierotti

According Mycobank some Polystigma, such as P. tru

26-08-2012 20:46

Hymenoscyphus calycinoides ?
Nicolas VAN VOOREN Nicolas VAN VOOREN

Bonjour.Trouvé dans un ruisseau, sur bois mort à

20-04-2012 18:26

Eutypella cerviculata?
Gernot Friebes

Hi, I have never found E. cerviculata so I would a

24-04-2012 11:54

Cytospora decipiens?
Romain Penz

Bonjour,Je suis un mycologue amateur plutôt orien

21-08-2012 22:09

Unknown asco
Nedim Jukic Nedim Jukic

Hello, I have problem identifying this finding, ev

22-08-2012 23:01

Chlorencoelia versiformis?
Bometon Javier Bometon Javier

Fructificaciones de aproximadamente 10mm,  un poc

22-08-2012 15:52

Phomatospora striatigera?
Alain GARDIENNET Alain GARDIENNET

Bonjour, Dans des tiges de Typha angustifolia, au

22-08-2012 21:00

Trichophaea? on plant debris
Marja Pennanen

Hi,I did not manage to determine these hairy cups

20-08-2012 21:57

Gorgoniceps sur Ammophila arenaria
Michel Hairaud Michel Hairaud

Bonsoir . Hi to all. Pourriez vous me confirmer q

21-08-2012 09:53

Nomenclatural note
Alessio Pierotti Alessio Pierotti

The genus Polystigma was erected by Persoon in 181

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Lachnum deflexum (Cistella deflexa)
Francois Guay, 03-04-2025 21:31
Francois GuayHi,

I found this interesting ascomycete on incubated leaves from a freshwater stream. I believe it might be Lachnum deflexum. Could you confirm if my identification is correct?


Measurements:


Asci: 30–40 × 4.8–5.6 µm, IKI+


Spores: 6.8–8.6 × 2.1–2.6 µm


Here are the photos: https://inaturalist.ca/observations/267833913


Thanks!


 

Kosonen Timo, 03-04-2025 21:59
Kosonen Timo
Re : Lachnum deflexum (Cistella deflexa)
I can't confirm, I am not really sure what Lachnum deflexa is. But the photos are wonderful! But certainly this can't be a Lachnum? I would associate the hairs/excipulum/non-stipitate to Hyaloscyphaceae or Cistella / Urceolella et al.

Timo
Kosonen Timo, 03-04-2025 21:59
Kosonen Timo
Re : Lachnum deflexum (Cistella deflexa)
I can't confirm, I am not really sure what Lachnum deflexa is. But the photos are wonderful! But certainly this can't be a Lachnum? I would associate the hairs/excipulum/non-stipitate to Hyaloscyphaceae or Cistella / Urceolella et al.

Timo
Hans-Otto Baral, 04-04-2025 09:02
Hans-Otto Baral
Re : Lachnum deflexum (Cistella deflexa)
I think I know C. deflexa well. A bit more curved hairs it had. The hairs should be completely hyaline also in your sample (in the micro they look a but brownish, maybe because of the iodine?). I am unaware of an existing sequence.
Francois Guay, 11-04-2025 06:12
Francois Guay
Re : Lachnum deflexum (Cistella deflexa)
Thank you both for your answers.
It is true that the external hairs seem to have a light brown tinge in water, and the hairs are not curved. So this could be another Cistella sp.? I will send it for sequencing. Thank you Zotto.

François