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25-01-2026 23:23

Tomaz Vucko Tomaz Vucko

Hello! I found this species that resembles Delitsc

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

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Hypoxylon ?
Castillo Joseba, 04-08-2015 09:52
Castillo Josebaen rama de  haya (Fagus)

No se si he conseguido ver un asca ??    NO he visto reacción al IKI

Saludos
Joseba
  • message #37263
  • message #37263
  • message #37263
  • message #37263
Lothar Krieglsteiner, 04-08-2015 10:54
Lothar Krieglsteiner
Re : Hypoxylon ?

without comparing the spore size: this looks very much like H. fragiforme to me.


Regards from Lothar

Alain GARDIENNET, 04-08-2015 11:11
Alain GARDIENNET
Re : Hypoxylon ?

Old Hypoxylon fragiforme, with Cosmospora sp. growing on it.


Alain

Eduard Osieck, 04-08-2015 11:19
Re : Hypoxylon ?
Hypoxylon fragiforme should have an amyloid apical ring (J+). According to the synoptic key of http://pyrenomycetes.free.fr/hypoxylon/index.htm there do not exist hemisphaerical species without such an apical ring (at least in Europe). Did you check the KOH reaction (H. fragiforme = orange).

Eduard