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Asco sur tige pourrie de Juncus acutiflorus
Bernard CLESSE,
29-09-2016 10:12
Bonjour à tous,Voici un asco sur tige pourrie de jonc à tépales aigus (Juncus acutiflorus) trouvé en pessière-boulaie tourbeuse à sphaignes.
a) asques IKI+, probablement à crochet à la base
b) spores fusiformes à cylindriques-fusiformes, souvent arquées, à microguttules, uniseptées à maturité : 9-13x2,5
Bernard
Hans-Otto Baral,
29-09-2016 12:22
Re : Asco sur tige pourrie de Juncus acutiflorus
No idea. The excipulum would be important. Paraphyses and their contents? No hairs?
Bernard CLESSE,
29-09-2016 12:30
Re : Asco sur tige pourrie de Juncus acutiflorus
I'll check paraphyses, excipulum and hairs this afternoon. Thank you Zotto.
Bernard
Bernard
Martin Bemmann,
30-09-2016 09:40
Re : Asco sur tige pourrie de Juncus acutiflorus
Couldn't it be a Mollisia? There are several on Juncus.
Paraphyses would be important, indeed.
Regards
Martin
Paraphyses would be important, indeed.
Regards
Martin
Bernard CLESSE,
02-10-2016 21:29
Hans-Otto Baral,
02-10-2016 22:26
Re : Asco sur tige pourrie de Juncus acutiflorus
This must be a Hyaloscypha.
Bernard CLESSE,
02-10-2016 22:54
Re : Asco sur tige pourrie de Juncus acutiflorus
OK Zotto, thank you!
I imagine since it's hard to go further ...
Bernard
Kosonen Timo,
05-10-2016 10:01
Re : Asco sur tige pourrie de Juncus acutiflorus
hello,
Hyaloscypha fuckelii var fuckelii (Crozier+) is reported from Juncus stems. Even the sporesize might fit (measures in monograph are of dead spores). H. secalina might work, but it has narrower spores. Just ideas, no hard evidence.
Surely there are many things on Juncus... unreported.
Timo








