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27-11-2025 12:01

Thomas Læssøe

https://svampe.databasen.org/observations/10496727

27-11-2025 11:46

Thomas Læssøe

https://svampe.databasen.org/observations/10493918

17-09-2025 10:50

Heather Merrylees

Hi there!I am hoping for any advice on the identif

29-11-2025 08:40

Andreas Millinger Andreas Millinger

Hello,on a splintered part of a branch on the grou

28-11-2025 16:45

Nogueira Héctor

November 23, 2025 Requejo de Sanabria (León) SPAI

25-11-2025 14:24

Thomas Læssøe

https://svampe.databasen.org/observations/10490522

27-11-2025 15:41

Thomas Læssøe

Spores brownish, typically 4-celled; 26.8 x 2.4;

27-11-2025 11:31

Thomas Læssøe

Collectors notes: Immersed ascomata, erumpent thro

23-09-2025 13:31

Thomas Læssøe

https://svampe.databasen.org/observations/10534623

26-11-2025 18:13

Jason Karakehian Jason Karakehian

The entire run of Mycotaxon is now available throu

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Hypoxylon marron
Castillo Joseba, 04-08-2015 09:44
Castillo JosebaEncontrado en el Pirineo, en madera de abeto o de haya

A ver que os parece


Joseba
  • message #37262
  • message #37262
  • message #37262
  • message #37262
Alain GARDIENNET, 04-08-2015 11:19
Alain GARDIENNET
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
Castillo Joseba
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