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18-08-2024 23:25
Patrice TANCHAUDBonjour, récolte réalisée en décembre sur feu
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16-08-2024 14:04
![Viktorie Halasu](/uploads/user_vgn/Halasu-0001.jpg)
Hello, for the first time I've collected a Mollis
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18-08-2024 12:35
Pablo ChacónBuenos días,Os presento una Scutellinia que piend
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16-08-2024 21:08
![Andgelo Mombert](/uploads/user_vgn/Mombert-0001.jpg)
Bonjour, Sur branche morte aérienne de Laburnum,
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16-08-2024 18:17
![Bernard Declercq](/uploads/user_vgn/Declercq-0001.jpg)
Hello,I am in need of following paper:Cannon, P. F
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16-08-2024 14:16
I found the (asco)stroma of an Epichloe sp. a few
Tiny asco on Fallopia
Camille Mertens,
03-04-2023 12:39
Collected on Fallopia end of january.
Spores slighty curved, guttulated, wrapped in a sheet : 11-12 x 3,6-3,9 µm
Ascus with croziers, IKI (-)
Branched paraphysis.
Seems to me closed to Allophylaria "petasites" on Zotto's webside illutrations.
An idea?
Best regards.
Camille
Hans-Otto Baral,
03-04-2023 14:44
![Hans-Otto Baral](/uploads/user_vgn/Baral-0001.jpg)
Re : Tiny asco on Fallopia
Hi Camille
that is indeed similar, although Björn measured (9-)10,3-12,4x2,6-3µm.
Your IKI I do not much trust, or you need to remove the KOH better, or even better let KOH away and show what IKI does.
The marginal excipulum doe snot look like an Allophylaria, in Björn's specimen the cells are elongate and thick-walled (gel). Did you also see VBs in the paraphyses that get red-brown in IKI by extruding red granules?
Zotto
Camille Mertens,
03-04-2023 19:43
Hans-Otto Baral,
03-04-2023 20:25
![Hans-Otto Baral](/uploads/user_vgn/Baral-0001.jpg)
Re : Tiny asco on Fallopia
Sorry, these paraphyses are dead, there I cannot see anything. They must be alive, best in water. Not sure how to proceed. The excipulum near the base could be helpful too.
I see a minute reactive (amyloid) ring in your ascus (KOH+IKI). But since the photo does not show any iodine colour (yellow-brown), I wonder how this would turn at higher IKI concentration.
Camille Mertens,
03-04-2023 20:39
Re : Tiny asco on Fallopia
Many thanks Hans.
Gonna try to collect new ones.
Gonna try to collect new ones.