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24-12-2025 18:12

Ethan Crenson

Hello all, A friend found this Orbilia growing on

28-12-2025 12:08

Margot en Geert Vullings

This possible Karstenia was found on the bark of d

21-12-2025 21:32

Pol Debaenst

Hello, Garden, Burgweg 19, Veurne, BelgiumOn 10/1

26-12-2025 21:19

Arnold Büschlen

Pithyella chalaudii Priou. Ist als Bryoparasit in

21-12-2025 09:32

Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

18-12-2025 21:17

Pol Debaenst

The identification took me to Byssonectria deformi

21-12-2025 12:34

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

24-12-2025 17:08

Hulda Caroline Holte

Hello, I have found this propoloid ascomycete on

23-12-2025 11:27

Louis DENY

bonjour forum,sur débris de bois de feuillu (acer

20-12-2025 10:49

Mirek Gryc

Hi. „I doubt it is possible to identify this ti

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Arthonia graphidicola ?
Cvenkel Miran, 16-09-2017 23:47
http://agrozoo.net/jsp/Galery_one_image.jsp?id_galery_obfuscated=6bea49e7a1894f8c820d001c285cba81
Should be smaller fruiting bodies. Figured coz there are thalus margins that fit to Arthonia. Loc.: Slovenia

ref: http://fungi.myspecies.info/all-fungi/arthonia-graphidicola
click on img for description

Right ?
Alain GARDIENNET, 17-09-2017 07:09
Alain GARDIENNET
Re : Arthonia graphidicola ?

Hi,


 Perhaps, but I don't see microscopical features. It's necessary to give an answer. Graphis has been identified as G. scripta, hasn't it ?


Thus, you should decribe ascomata : is it really arthrinoïd, or is it formed by perithecias ?


Other fungi occur on Graphis. The most frequent is Stigmidium microspilum, but it's a non-lichenized fungus. (here to compare : http://www.ascofrance.fr/search_recolte/3736 )


Alain

Cvenkel Miran, 17-09-2017 14:37
Re : Arthonia graphidicola ?
No microscopy possible at this point. Thanks for idea.

Is there somewhere a list on net in terms:
host lichen / guest ?
Alain GARDIENNET, 17-09-2017 16:18
Alain GARDIENNET
Re : Arthonia graphidicola ?

If it's a lichenicolous fungi, like your fungus on Graphis, lichenized or not, you can use :


http://mason.gmu.edu/~jlawrey/Lichenicolous/


Alain

Cvenkel Miran, 18-09-2017 08:08
Re : Arthonia graphidicola ?
Thanks.
Seems useful, but has some logical mistakes, See foristance:"Tichothecium latzelii"
Where is that in table ? Does that mean that after that is genus Endococcus (which I hope it is) or genus Tichothecium.

More nonlogical mistakes of that type there.