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28-03-2026 07:55

Marc Detollenaere Marc Detollenaere

Hello everybody,Yesterday I found a number of whit

26-03-2026 15:31

Ã…ke Widgren Ã…ke Widgren

Hello,I found this one in October last year, on r

27-03-2026 15:23

Gernot Friebes

Hi,this Trichopezizella deviates from typical T. b

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

27-03-2026 15:08

Gernot Friebes

Hi,I'm looking for help with this coelomycete on C

27-03-2026 10:47

Ã…ge Oterhals

I have tentatively identified this Stictis to S. f

24-03-2026 21:37

Elisabeth Stöckli

Bonsoir,Sur bois (tronc) très pourri de conifère

26-03-2026 12:50

David Chapados David Chapados

Hi,I'm having a hard time figuring which Pseudombr

26-03-2026 11:17

Vasileios Kaounas Vasileios Kaounas

Found 11-03-26, in leaf of Ulmus sp. Diameter 2-4

25-03-2026 22:23

Marc Detollenaere Marc Detollenaere

Dear Forum,On a debarked stem of Tilia, we found s

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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.