14-08-2022 18:08
Edvin Johannesen
Found on deciduous wood (probably Betula) in subal
14-08-2022 15:50
Zuzana Sochorová (Egertová)
Hello,this Orbilia grew on a strongly rotten branc
13-08-2022 17:18
Stephen Mifsud
I assumed these are weak colonies of Neurospora on
10-08-2022 15:45
Pierre-Yves JulienRécolte le 31/07/2022 – Ozoir-la-Ferrière (77)
11-08-2022 00:45
Stefan JakobssonOn a thin deciduous stick (Salix/Alnus/Betula) on
10-08-2022 18:45
François BartholomeeusenGood evening all, On 5 August 2022, a friend gave
11-08-2022 08:16
Josep Torres
Hola.Un muy diminuto Pirenomyceto sobre un tronco
09-08-2022 20:06
Stephen Mifsud
I have found an interesting aspergillus on flowers
Trichopeziza "limonipilosa" ?
Chris Yeates,
11-05-2021 22:35
Bonsoir tous
This collection - on dead stem of Geum urbanum - appears to be referable to what is currently named T. limonipilosa. I would be grateful for comments. Asci are hemiamyloid and with croziers, paraphyses with globules, ascospores(10)12-13.4 x 2.2-2.7µm.
Chris
Hans-Otto Baral,
12-05-2021 12:52
Re : Trichopeziza "limonipilosa" ?
Hi Chris
Incredibly superb macrophoto! I never saw it so plastic.
For me this doesn't look like limonipilosa. No yellow hairs, spores are too wide, ascus reaction pure red. Did you check, is there no blue at low concewntration? It looks like RR?
Zotto
Chris Yeates,
12-05-2021 15:21
Re : Trichopeziza "limonipilosa" ?
Thanks Zotto
The collection was kept damp for several days in the fridge to allow it to mature a little with no disturbance, and this is probably why the beautiful development pattern of the hairs - like feathers on a bird - is shown.
There was a slight hint of yellow to the extreme marginal hairs, but only slight. The ascus tip staining shown here is typical of all I saw. Although I only used Baralsche Löhsung this was always by feeding it into a water mount of living material and then watching for a reaction so "yes" to the same at lower concentration.
Looking at your folder https://drive.google.com/drive/folders/0B5SeyOEkxxZhdGc2UGVBN3dNbGs I would say my collection is very close - macroscopically - to the one numbered 217. Looking at Genbank there would appear to very little of help with Trichopeziza there. A pity that such an attractive group - often collected by micro-fungi enthusiasts - is so little understood.
LG
Chris
Hans-Otto Baral,
12-05-2021 16:08
Re : Trichopeziza "limonipilosa" ?
Yes, this looks similar but has narrower spores: Droitwich Canal Reed Beds, Worcestershire herbaceous stem, up to 2mm diameter, sp. 10 - 15 x 1.25 - 2um.
I have placed your and some other samples in a separate folder "limonipilosa-like H+ IKI RR-RB 10-13.5 x 2.2-3" based on the broader spores. Not sure if all is the same.
Edouard Evangelisti,
13-05-2021 00:54
Re : Trichopeziza "limonipilosa" ?
Bonsoir Chris,
Wow, these are stunning images of an intriguing collection!
If you are interested in getting an ITS sequence of this collection, please let me know, I would be happy to help.
Wow, these are stunning images of an intriguing collection!
If you are interested in getting an ITS sequence of this collection, please let me know, I would be happy to help.
Cheers,
Edouard