Accès membres

Mot de passe perdu? S'inscrire

09-05-2025 16:01

Thomas Flammer

I found a black cushon which might eventually be 

09-05-2025 19:10

Enrique Rubio Enrique Rubio

Hi to everybody.This Orbilia (apos up to 0.5 mm),

02-05-2025 13:29

Isabelle Charissou

Bonjour, j'aimerais savoir s'il y a eu des public

06-05-2025 13:37

Thomas Flammer

Munk, Anders (1953). The System of the Pyrenomycet

08-05-2025 20:50

Andreas Jacob

Good evening, due to contstant drought I started

07-05-2025 18:29

Francois Guay Francois Guay

I found this small hyaline ascomycete on moist, de

08-05-2025 02:22

Francois Guay Francois Guay

I found this white, hairy ascomycete on the bark o

08-05-2025 18:32

Ethan Crenson

Hello all, I was looking at leaves of Yucca from

08-05-2025 08:59

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, (España) , reco

07-05-2025 10:18

Thomas Flammer

I have found on Genistae sth. that looks like puli

« < 1 2 3 4 5 > »
Niesslia exosporioides? => Niesslia typhae
Riet van Oosten, 04-05-2019 22:16
Riet van Oosten
Hello,

Found by Willy Heimeriks on 27-04-2019, The Netherlands, on Typha latifolia.

Could this be Niesslia exosporioides?

Asci: 8-spored

Sporesize: 10.9-10.9-11.7 x 1.7-1.9-1.9 µm

I see there is also a Niesslia typhae (Fig. 14)




Greetings, Riet
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
  • message #57563
Peter Thompson, 04-05-2019 22:36
Re : Niesslia exosporioides?
Hello Riet,

I notice your link to my forum posting for a sample of a Niesslia sp., which I found growing on Typha latifolia in the United Kingdom.

I posted my sample to Walter Gams so that he could study it and he concluded that it was almost certainly a species of Niesslia new to science. During email correspondence with Walter Gams, I did agree a provisional Niesslia typhae spec. nov. with him.

Unfortunately, he was never able to work on describing this sample, due to lack of a budget for work on this genus.

Regrettably, he is no longer alive.

Unless anyone else is able to create a species description for this taxon, it will remain undescribed.

With Best Wishes,
Peter Thompson.
Riet van Oosten, 04-05-2019 22:46
Riet van Oosten
Re : Niesslia exosporioides?
Hello Peter,
Thank you for your information!
Best wishes,
Riet
Chris Yeates, 05-05-2019 23:05
Chris Yeates
Re : Niesslia exosporioides? => Niesslia spec.
Niesslia typhae does appear to have been validly published:


If Peter has not been informed of this - or been sent a copy of the relevant publication - Mycological Progress 18(1-2):5-76 that seems a bit direspectful.

Perhaps if he contacts the publishers they would be able to correct this oversight.
Riet van Oosten, 06-05-2019 13:17
Riet van Oosten
Re : Niesslia exosporioides? => Niesslia spec.
Indeed not very respectful .... 
Thank you for your information Chris!

So the Dutch find could be Niesslia typhae? 
Peter Thompson, 06-05-2019 20:55
Re : Niesslia exosporioides? => Niesslia spec.
Hello Riet and Chris,

I had no idea that the late Walter Gams' outstanding work on Niesslia had been completed and published earlier this year.

If it is believed that I am entitled to receive a copy of the publication, I shall investigate. 

Riet - Once a copy of this document published by Springer becomes available, it will then be possible to compare your material with the information published. 

Chris - Thanks for looking into this. I notice that Niesslia typhae is a blue entry in Index Fungorum. I wonder if work is complete on its creation as a new taxon?

Thank You,
With Best Wishes,
Peter.

Riet van Oosten, 06-05-2019 21:06
Riet van Oosten
Re : Niesslia exosporioides? => Niesslia spec.
Thank you very much for all your help Peter en Chris!
With best wishes,
Riet
Martin Bemmann, 06-05-2019 21:25
Martin Bemmann
Re : Niesslia exosporioides? => Niesslia spec.
Dear Peter,

This paper was published posthumously. Walter Gams passed away almost two years before. I think, to inform you was simply forgotten by the co-authors who finished the publication. I will send you a copy of this paper.

Best regards

Martin
Peter Thompson, 06-05-2019 21:36
Re : Niesslia exosporioides? => Niesslia spec.
Dear Martin,

I have received your email and the attached document about the new Niesslia species.

Thank you very much for your help with this.

With Best Wishes,
Peter.