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05-02-2026 06:43

Stefan Blaser

Hello everybody, Any help on this one would be mu

03-02-2026 20:44

Zetti Mario

When I first saw this white mould on an Agaricus s

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

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

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Rhytismatales on Picea abies
Marja Pennanen, 19-06-2010 11:45
Hello,
I found these on the bark of Picea and once again just couldn't determine them.
They are about 1-3 mm wide and when dry they are just black slits.
  • message #12023
Marja Pennanen, 19-06-2010 11:47
Re:Rhytismatales on Picea abies
Spores are about 25-40x1-2, asci 120-180x6-10 and paraphyses curved, 1-2 micrometers wide.
  • message #12024
Christian Lechat, 19-06-2010 12:02
Christian Lechat
Re:Rhytismatales on Picea abies
Hi Marja,
maybe your fungus is Colpoma crispum?
Regards,
Christian
Marja Pennanen, 19-06-2010 12:16
Re:Rhytismatales on Picea abies
Hi Christian,
and thanks, Colopoma crispum seems to fit.
Besides being a new species, this is an opening of a new genus for me :)

Marja