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04-11-2025 12:43

Protounguicularia transiens?
Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 09:07

Hymenoscyphus on blueberry.
Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

03-11-2025 21:34

Tatraea sp. ? on Populus tremula
Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

Ascomycetes
David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Bright orange stalked asco
Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hymenoscyphus phiala
Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Telogalla olivieri
Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Rutstroemia firma
Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

literature request
Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

30-10-2025 03:53

Dasyscyphella nivea?
Ethan Crenson

Hi all,  I would like an opinion on whether this

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Rhopographus filicinus sur osmonde royale (Osmunda regalis) ??
Bernard CLESSE, 16-08-2015 20:19
Bernard CLESSEJe connais Rhopographus filicinus sur fougère-aigle (Pteridium aquilinum) mais ici c'est sur pétiole et rachis pourris d'osmonde royale (Osmunda regalis).

Je n'ai pas encore fait la micro mais savez-vous si Rhopographus filicinus vient aussi sur osmonde royale (Osmunda regalis) ?

Bernard 

  • message #37557
  • message #37557
Chris Yeates, 16-08-2015 22:15
Chris Yeates
Re : Rhopographus filicinus sur osmonde royale (Osmunda regalis) ??
Bonsoir Bernard
you need to show the spores / conidia; there are other fungi which occur on ferns and look a little like this. There is for example a "coelomycete" Leptostroma osmundicola, though I do not personally know that species. See http://www.librifungorum.org/Image.asp?ItemID=203&ImageFileName=001/0008b.jpg

amitiés
Chris
Bernard CLESSE, 16-08-2015 22:21
Bernard CLESSE
Re : Rhopographus filicinus sur osmonde royale (Osmunda regalis) ??
Great thanks Chris !

I'll get the side of Leptostroma osmundicola and make a microscopy.

Best regards,

Bernard
Chris Yeates, 16-08-2015 22:24
Chris Yeates
Re : Rhopographus filicinus sur osmonde royale (Osmunda regalis) ??
the link doesn't seem to work - attached is a screen shot of the protologue
  • message #37562
Bernard CLESSE, 16-08-2015 22:27
Bernard CLESSE
Re : Rhopographus filicinus sur osmonde royale (Osmunda regalis) ??
Wonderful ! 1000 thanks !

Bernard