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21-07-2024 10:13
![Thierry Blondelle](/uploads/user_vgn/-0211.jpg)
Bonjour,Récolte sur branchette de Castanea dans u
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21-07-2024 10:28
![Alan Rockefeller](/uploads/user_vgn/-0063.jpg)
Which Peziza did I find on horse dung in Humboldt
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19-07-2024 11:08
![Miguel Ãngel Ribes](/uploads/user_vgn/Ribes-0001.jpg)
Good morningThis Scutellinia from July 9 grew at 1
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21-07-2024 06:23
Masanori KutsunaDear all, Does anyone have these papers and send
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08-07-2024 23:34
Villalonga PacoSmall Scutellinia growing in garden soil (calcareo
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16-07-2024 18:32
![Andgelo Mombert](/uploads/user_vgn/Mombert-0001.jpg)
Bonsoir, Un discomycète sur Liochlaena lanceolat
Anamorph with long-necked pycnidium
Marcus Yeo,
25-07-2022 19:50
It was growing on decaying plant material on a cliff ledge at 530m alt in the English Lake District. Substrates appeared to include grass stems & leaves (probably Festuca sp), petioles of Alchemilla alpina leaves and bryophytes.
The pycnidia are superficial, with a swollen base ca 150-200 µm wide & a long neck (up to 700 µm). A notable feature is that the conidia are extruded through the neck in a long persistent cylinder. Conidia are ellipsoid, hyaline, 0-septate & 4-5 x 3 µm.
Any help would be very welcome.
Marcus
Charles Aron,
25-07-2022 20:41
![Charles Aron](/uploads/user_vgn/-0181.jpg)
Re : Anamorph with long-necked pycnidium
Hi Marcus,
I remember something very similar to this, with an ascus-like cylinder full of conidia, posted on this forum; I think it was on ferns but I can't remember what the ID was! Perhaps this will jog somebody's memory!
Best wishes,
Charles.
David Malloch,
25-07-2022 21:11
![David Malloch](/uploads/user_vgn/Malloch-0001.jpg)
Re : Anamorph with long-necked pycnidium
This looks a lot like an ascomycete. Have you checked the very young structures to see if they contain spherical asci or indications of conidiogenesis?
Marcus Yeo,
25-07-2022 21:51
Re : Anamorph with long-necked pycnidium
I'm fairly certain the spores were formed at the apex of short, hyaline conidiogenous cells - but I forgot to take a picture of this!
Adrian Carter,
26-07-2022 11:14
Re : Anamorph with long-necked pycnidium
The long cirri of conidia remind me of the anamorph of Anisomeridium polypori. The long neck excludes that species but possibly a different Anisomeridium. Just an idea.
Franz Berger,
02-08-2022 23:33
![Franz Berger](/uploads/user_vgn/-0190.jpg)
Re : Anamorph with long-necked pycnidium
Anisomeridium is a very good suggestion!