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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
Nectriella on Typha 1
Hans-Otto Baral,
16-07-2008 17:39
![Hans-Otto Baral](/uploads/user_vgn/Baral-0001.jpg)
I promised Amy to collect Hypocreales, here are two on Typha. I collected in a forest pond here in Tübingen dead upright Typha latifolia shoots standing in the water, with the outer sheaths completely dry, and in about 20-40 cm above water level were minute orange dots which I first thought to be orbiliaceous. It was a further surprize that there are two species.
Now, I think one of them must be a Nectriella because the perithecia are permanently subepidermal. There are long thin hyphae around the perithecial wall but no true hairs. Pale yellow oil drops are seen in the wall cells. Interestingly the warts on the spores disappeared in heated KOH. I considered N. paludosa or N. curtisii, mainly because of the substrate. The size of the living spores would well match the data in Rossman & Samuels 1999, but not the size of the dead spores.
Perithecia 120-200 µm diam, subepidermal. Sp. *17-19.5(-21) x 4.3-5.5 µm, distinctly finely & densely warted-punctate, KOH heated 14-17 x (3.5-)3.8-4 µm!, smooth!
Zotto
Hans-Otto Baral,
16-07-2008 17:41
Christian Lechat,
16-07-2008 18:08
![Christian Lechat](/uploads/user_vgn/Lechat-0002.jpg)
Re:Nectriella on Typha 1
Dear friends,
Zotto, maybe it is Nectriella dacrymycella, I studied one collection of this species three years ago, collected by Bruno Coué on Iris.
Can you please send us an image (micro) of Hyphae or hairs ?
Amitiés :)
Zotto, maybe it is Nectriella dacrymycella, I studied one collection of this species three years ago, collected by Bruno Coué on Iris.
Can you please send us an image (micro) of Hyphae or hairs ?
Amitiés :)