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28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

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BonjourRécolté sur une brindille au fond d'un fo

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Nicolas VAN VOOREN Nicolas VAN VOOREN

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Lydia Koelmans

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Pyrenomycet on Rubus
Maren Kamke, 09-08-2013 00:19
Maren KamkeHello everybody,
I need your help with a Pyrenomycet on Rubus.
Perethecia 0,2 mm, Spores hyalin, becoming 1-septate, with two big oildrops on each end and many small? oildrops around them (11-13) 11,75 x 4,25 (4-5) µm, allantoid. Asci iodine reaktion blue, 43-49x8 µm, biseriat, Paraphyses cylindric to clavate, 2 µm wide on top?, apikal they stick together with a light brown mass.

Thanks
Regards Maren ?
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Hans-Otto Baral, 10-08-2013 16:21
Hans-Otto Baral
Re : Pyrenomycet on Rubus
Hi Maren

I am not even sure what order this is.  The apical rings look helotialean, the paraphyses in gel perhaps more ostropalean. Are the ascomata really perithecioid? Did you try a  median section with a razor blade?

Zotto
Maren Kamke, 10-08-2013 21:40
Maren Kamke
Re : Pyrenomycet on Rubus
Hi Zotto,
you are right :). I tricked myself, it is not a pyrenomycet but a fungus of the Naevioideae. I put the twig in water and it appeared. Now I'm searching for the genera. It might be Laetinaevia sp. but I didn't find a match so far. I have to check on the textura.

Regards Maren
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