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31-03-2026 21:18

Miguel Ãngel Ribes Miguel Ángel Ribes

Good evening. oes anyone have the original descrip

31-03-2026 20:57

Stefan Blaser

Hello everybody, I hope somebody can help me with

26-03-2026 15:31

Ãke Widgren Åke Widgren

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

31-03-2026 16:20

Mlcoch Patrik Mlcoch Patrik

Hello, Please about help with determination. On

31-03-2026 08:19

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

30-03-2026 12:18

Sylvie Le Goff

BonjourRécolté sur la base de Pteridium aquilinu

30-03-2026 12:03

William Slosse William Slosse

Hello all,On 27/03/26, in Kraaiveld in Wingene (Be

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

28-03-2026 17:41

Louis DENY

Bonjour forum,Mollisia trouvée sur tige de Molini

30-03-2026 09:53

Yanick BOULANGER

BonjourVoici des petites fructifications poilues s

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Venturiocistella on Vaccinium vitis-idaea stem
Marja Pennanen, 06-08-2014 21:36
Hi,

these are about 0,5 mm wide.
The spores are about 9-12x2-3 and have 2-4 droplets
The asci are about 40-60x7-9 and paraphyses about 2 micrometers wide.
There are both brown and hyaline setae, which are about 50-60x3-4.
The hairs are brown, septate and about 6 micrometers wide.

I found nothing, that would guite fit.

Marja
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  • message #30659
  • message #30659
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Hans-Otto Baral, 06-08-2014 23:10
Hans-Otto Baral
Re : Venturiocistella on Vaccinium vitis-idaea stem
I do not see brown setae, and the hyaline lanceolate structure I cannot interpret.

What about a Fuscolachnum?
Marja Pennanen, 07-08-2014 07:58
Re : Venturiocistella on Vaccinium vitis-idaea stem
Dear Zotto,

I tried to  find one photo, with setae and hairs. There are some in the lower part of the photo. They are different coloured than the hairs and seems to break more easily than others.

The hyaline ones seems glassy. Maybe I should test Koh.

Marja
Hans-Otto Baral, 07-08-2014 09:16
Hans-Otto Baral
Re : Venturiocistella on Vaccinium vitis-idaea stem
It seems to me a riddle. The brown ones in the lower part of the last pic could be anchoring hyphae or even from another fungus?
Marja Pennanen, 07-08-2014 13:26
Re : Venturiocistella on Vaccinium vitis-idaea stem
I studied another.
The first one went upside down.

You must be right. Those lanceolate, hyaline "setae" are second kind of paraphyses.
The brown setae did not appear propely in the second preparate being underside.
By the way, these may be even 0,8 mm wide when open and marginal hairs are about 50-65x5-6.

Nordic macromycetes 1 does not contain any  Fuscolachnum species, that would fit and that contains descriptions. which I got from Fuscolachnums.

Marja
PS: I forgot to check, if I got a PDF-article of Fuscolachnums allready...
Age comes with poor memory ;)
I'll look for the PDF now.

Found it and this is definitely not F. labradoricum or anything Haines presented. Must be something else.