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09-06-2025 16:18

Sylvie Le Goff

BonjourPourrais je avoir votre avis sur cet ascome

09-06-2025 12:50

Joaquin Martin

Hi,Last week I found this Hymenoscyphus on Rubus.S

09-06-2025 22:28

Edmond POINTE Edmond POINTE

Bonjour,Apothecie pulvinée, blanche 0.4 x 1mm. As

09-06-2025 10:32

Elisabeth Stöckli

Bonjour,Trouvé sur une branche morte et décortiq

09-06-2025 16:36

David Malloch David Malloch

As far as I know, this species has yet to be assig

08-06-2025 18:03

éric ROMERO éric ROMERO

Bonjour à tous, Une récolte alpestre discrète

07-06-2025 15:39

Edvin Johannesen Edvin Johannesen

A friend sent me a few Betula seeds with tiny blac

08-06-2025 14:55

Edvin Johannesen Edvin Johannesen

Ascomata only ca. 1 mm, erumpent on very thin Sali

06-06-2025 12:12

Hans-Otto Baral Hans-Otto Baral

Dear all I want to ask you if you have any recent

04-06-2025 15:10

Stefan Jakobsson

Hi forum, On a herbaceous stem, possibly Aegopodi

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Coccomyces? on Vaccinium
Marja Pennanen, 02-08-2014 11:25
Hello forum,

when these black spots open, they show their yellow hymenium.
They grow on Vaccinium uliginosum leaves and are a bit under 1 mm wide.
The spores are about 65-85x2-3, asci 140-160x12-13 and paraphyses about 4 micrometers wide.

Once again my litterature does not contain a species with these properties or the species is not a Coccomyces at all.

Marja
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  • message #30562
  • message #30562
  • message #30562
Bernard Declercq, 02-08-2014 13:16
Bernard Declercq
Re : Coccomyces? on Vaccinium
Probably Coccomyces leptideus (Fr.) B. Erikss.
Asci should be mostly 4-spored.

Bernard

Marja Pennanen, 03-08-2014 10:43
Re : Coccomyces? on Vaccinium
Dear Bernard,

thank you for your answer.

I have found C. leptideus on Vaccinium myrtillus stems.
In my memories it is light grey.
Because of the substrate and colour I doupted to do that determination.

Marja