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30-04-2025 01:29

David Chapados David Chapados

Hi, I found Dactylellina candida/candidum, recent

29-04-2025 09:13

Louis DENY

Bonjour forumVosges du sud, ballon d'Alsace altitu

28-04-2025 12:51

Thomas Flammer

Substrate: Angelica sylvesrisSpore mass: 8.4 - 11.

12-05-2013 13:31

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Dear mycologists,could someone give me an advice a

18-04-2025 23:16

Robin Pétermann Robin Pétermann

Bonjour, Voici une probable Mollisia, genre que j

26-04-2025 07:15

Dragiša Savic

Hello everyone,the lichen is Candelariella aurella

27-04-2025 15:54

Martin Bemmann Martin Bemmann

Can somebody provide this article from a Leningrad

14-04-2025 15:11

Lennert Gees

Greetings!For my master's dissertation I work on c

26-04-2025 16:01

Jacques Fournier Jacques Fournier

J'ai le regret d'informer les membres du forum qui

26-04-2025 19:32

Francois Guay Francois Guay

I found these small Arachnopeziza sp. growing on d

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Unknown pyrenomycetous fungus growing on cowberry
Henri Koskinen, 19-04-2025 08:51
Could you help me in the right direction with this pyrenomycetous fungus. It was growing 14.04.2025 on Vaccinum vitis-idaea in central Finland. There several groups of fruitbodies on the stem. Diameter of the group depicted in my photo is 0,9 mm, individual fruitbodies were about 0,25 mm in diam.
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Alain GARDIENNET, 19-04-2025 09:10
Alain GARDIENNET
Re : Unknown pyrenomycetous fungus growing on cowberry
Hi,
Compare Gibbera vaccinii please.
Very nice macrophoto !
Alain
Henri Koskinen, 19-04-2025 09:15
Re : Unknown pyrenomycetous fungus growing on cowberry
Thank you very much Alain!

Martin Bemmann, 19-04-2025 09:20
Martin Bemmann
Re : Unknown pyrenomycetous fungus growing on cowberry
Hi Henri,

compare also Gibbera compacta:

C.L. Shear et al, Fungous diseases of the cultivated cranberry. USDA Technical Bulletin 258, 1931: 13-14. (attached)

see also this photograph of Gibbera vaccini:


Regards

Martin
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Henri Koskinen, 19-04-2025 16:25
Re : Unknown pyrenomycetous fungus growing on cowberry
Thank you.  Spore size and substrate seems to favor G. vaccinii here.
Martin Bemmann, 19-04-2025 16:36
Martin Bemmann
Re : Unknown pyrenomycetous fungus growing on cowberry
Well, I wonder if G. vaccinii and G. compacta are two different species...