14-11-2025 16:26
Marian Jagers
Hello everyone, On dead wood of Cytisus scoparius
15-11-2025 20:25
Riet van Oosten
Hello, Found by Laurens van der Linde, Nov. 2025
14-11-2025 18:31
Lothar Krieglsteiner
Hello,can somebody provide me with a file of:Rothe
12-11-2025 09:25
Viktorie Halasu
Hello, I need help with a pale terrestric Pseudom
11-11-2025 20:16
Bohan JiaHi, lastly I have found these tiny yellow decayin
09-11-2025 13:20
Josep Torres
Hello.A tiny ascomycete, appearing as erupting gra
08-11-2025 00:29
Francois Guay
I found this species in Quebec, Canada, on herbace
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