25-01-2026 23:23
Tomaz Vucko
Hello! I found this species that resembles Delitsc
05-02-2026 15:07
Vasileios Kaounas
Found on a fallen needle of Pinus halepensis, diam
05-02-2026 06:43
Stefan BlaserHello everybody, Any help on this one would be mu
18-08-2025 15:07
Lothar Krieglsteiner
.. 20.7.25, in subarctic habital. The liverwort i
02-02-2026 21:46
Margot en Geert VullingsOn a barkless poplar branch, we found hairy discs
02-02-2026 14:55
Andgelo Mombert
Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome
02-02-2026 14:33
Andgelo Mombert
Bonjour,Sur le thalle de Peltigera praetextata, ne
31-01-2026 10:22
Michel Hairaud
Bonjour, Cette hypocreale parasite en nombre les
Hypoxylon marron
Castillo Joseba,
04-08-2015 09:44
Encontrado en el Pirineo, en madera de abeto o de hayaA ver que os parece
Joseba
Alain GARDIENNET,
04-08-2015 11:19
Re : Hypoxylon marron
See towards Hypoxylon perforatum, or rubiginosum using the key : http://pyrenomycetes.free.fr/hypoxylon/keydir/dichotomickey.htm
You will have to observe subsurface granules, and KOH reaction.
Have fun with it !
Alain
Eduard Osieck,
04-08-2015 11:25
Re : Hypoxylon marron
Macroscopically this could be H. rubiginosum. Did you already check the KOH-reaction?
Castillo Joseba,
04-08-2015 16:02
Re : Hypoxylon marron
Se trata de Hypoxylon perforatum, muy parecida a H. rubiginosum, pero con una reacción del estroma al KOH 10% amarillo verdoso en vez de rojizo