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18-10-2010 16:18
![Yatsiuk Iryna](/uploads/user_vgn/Iryna-0001.jpg)
Hello, everybody! This one was collected in 2008
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18-10-2010 12:49
Marja PennanenHello, long time since last subjet. I've picked
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13-10-2010 11:44
![Martin Bemmann](/uploads/user_vgn/Bemmann-0001.jpg)
Dear all, some days ago I collected a fragment
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30-09-2010 21:47
![Raúl Tena Lahoz](/uploads/user_vgn/Tena-Lahoz-0001.jpg)
On Populus nigra rotten leaves, on August 22, 2010
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29-09-2010 22:56
![Michel Hairaud](/uploads/user_vgn/Hairaud-0001.jpg)
Hi to all, Would anyone help me with this disc
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27-09-2010 13:19
![Beñat Jeannerot](/uploads/user_vgn/Jeannerot-0001.jpg)
Bonjour à tous, J'ai besoin d'avoir des préci
Sporormiella?
Bernard Declercq,
18-10-2010 20:40
![Bernard Declercq](/uploads/user_vgn/Declercq-0001.jpg)
I recently collected a pyrenomycete on very decayed wood of Quercus robur, with immersed to semi-immersed subglobose ascomata 0,35-0,5 mm diam., non-papillate, with a central pore, rugulose, black. Asci are bitunicate, cylindrical, 2-spored (!), 68-77x7-8 µm. Spores are cylindrical, smooth, dark grey, oblique 3-septate, rarely 2- or 4-septate, constricted at the septa, (12,5)17-19,5(20)x5,5-6µm, no germ slits observed nor gelatinous coating, with two large guttule and many small ones per cell.
Such spores are Sporormiella-like, but lignicolous species are rare in this genus. Any idea?
Herewith a photo of the asci.
Thanks in advance,
Bernard
Bernard Declercq,
18-10-2010 20:41
![Bernard Declercq](/uploads/user_vgn/Declercq-0001.jpg)
Re:Sporormiella?
... and here a photo of the ascomata.
Jacky Launoy,
19-10-2010 10:30
Re:Sporormiella?
Bernard,I dont' see the picture of the ascomata
Jacques Fournier,
19-10-2010 14:47
![Jacques Fournier](/uploads/user_vgn/Fournier-0001.jpg)
Re:Sporormiella?
Bernard,
asci on your photo are unitunicate, they have a discoid apical ring and ascospores lack germ slits, therefore it cannot be a Sporomiella.
Your fungus likely belongs to Synaptospora Cain, in which one-celled ascospores are stuck in groups of 2-3-4 within the ascus.
Characters of the peridium and ascospores are needed to attempt an identification.
Cheers,
Jacques
asci on your photo are unitunicate, they have a discoid apical ring and ascospores lack germ slits, therefore it cannot be a Sporomiella.
Your fungus likely belongs to Synaptospora Cain, in which one-celled ascospores are stuck in groups of 2-3-4 within the ascus.
Characters of the peridium and ascospores are needed to attempt an identification.
Cheers,
Jacques
Bernard Declercq,
20-10-2010 13:33
![Bernard Declercq](/uploads/user_vgn/Declercq-0001.jpg)
Re:Sporormiella?
Merci Jacques pour cette indication intéressante. Avec les ascomes à verrues et des spores de 6,5-8,5x5-5,7 µm, me basant sur la clef de Reblova (2002), j'arrive à Synaptospora petrakii Cain, espèce décrite sur Betula au Canada. Est-ce que l'espèce a été déjà trouvée en Europe?
Bernard
Bernard