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06-02-2026 01:14

Tomaz Vucko Tomaz Vucko

Hello!How would you name this species? Most perith

04-08-2014 17:35

Leandro Sánchez Leandro Sánchez

Sur branche de feuillus, jusqu'à 22 mm diamètre,

05-02-2026 15:07

Vasileios Kaounas Vasileios Kaounas

Found on a fallen needle of Pinus halepensis, diam

05-02-2026 06:43

Stefan Blaser

Hello everybody, Any help on this one would be mu

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

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Lichen?
Martin Bemmann, 06-06-2010 21:21
Martin BemmannHello connaiseures,

I have here something strange to me. It developped on a dead partially decorticated twiglet I collected, because on a first glance it featured some black "pertithecia". I kept it moist for some days and then I found this strange thing. It is gelatinous, warted on the top and grows on a sheet of algae, although I found others meanwhile without this green addition. So it might been a coincidence. Under the microscope I was puzzeled again seeing asci with four and eight spores but in chambers separated by septa (below an example with 4 spores).

Has someone an idea in which direction I should proceed? Because of the algae I thought it is a lichen, but without them...??

Best regards,

Martin
  • message #11819
Martin Bemmann, 06-06-2010 21:22
Martin Bemmann
Re:Lichen?
an ascus
  • message #11820