Accès membres

Mot de passe perdu? S'inscrire

23-04-2024 15:18

Lothar Krieglsteiner Lothar Krieglsteiner

... but likely a basidiomycete. I hope it is o.k.

23-04-2024 13:17

Edouard Evangelisti Edouard Evangelisti

Bonjour à tous, Je viens de récolter ce que je

23-04-2024 21:49

Ethan Crenson

Hello all, A friend recently found this orange as

22-04-2024 11:52

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I made a loan of a collection of Microstoma

11-01-2022 16:36

Jason Karakehian Jason Karakehian

Hi does anyone have a digital copy of Raitviir A (

22-04-2024 08:54

Rafael Cabral

Bonjour à toutes et tous, Quelqu'un pourrait-il

22-04-2024 20:38

Miguel Ãngel Ribes Miguel Ángel Ribes

Good afternoon.Does anyone know this anamorph?It g

21-04-2024 14:29

B Shelbourne B Shelbourne

• Genus Brunnipila: Distinct macro and habitat,

19-04-2024 14:28

B Shelbourne B Shelbourne

Cudoniella tenuispora: Distinctive macro and habit

20-04-2024 16:02

Michel Hairaud Michel Hairaud

Bonjour,On me fait part, pour diffusion d une list

« < 1 2 3 4 5 > »
Pirottaea imbricata?
Petra Eimann, 02-08-2022 15:27
Petra EimannHi all, 
this find is from 19.03.2022 on herbaceous stems. Spores 7-9 x 1,7-2,2. hook+ IKI+ I think it could be Pirottaea imbricata, but I'm not entirely sure. 

Thanks in advance for your help!
Petra

  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
  • message #73569
Hans-Otto Baral, 02-08-2022 16:27
Hans-Otto Baral
Re : Pirottaea imbricata?
Hallo Petra

ich glaube nicht dass es P. imbricata ist. Die Haare wären dort deutlich dickwandig, oft nur lateral/apikal. Ich denke eher an einenArt wie P. senecionis.

Zotto
Michel Hairaud, 02-08-2022 16:38
Michel Hairaud
Re : Pirottaea imbricata?
Hi Petra, 
Are pictures 5 and 6 from the very same collection ? They look different to me, may be because of diffrent cameras ?  . 

The hairs you show are not black enough to belong in Pirottaea . 


AmitiésMichel
Petra Eimann, 02-08-2022 17:25
Petra Eimann
Re : Pirottaea imbricata?
Hallo Zotto, vielen Dank für deine Einschätzung. Verstehe ich es richtig das es auf jeden Fall eine Pirottaea ist und dann ventuell P. senecionis? Leider habe ich keinen Schlüssel um die Merkmale zu vergleichen. Kannst du mir eine Info geben woher und von wem es einen Bestimmungsschlüssel gibt?
LG Petra

Petra Eimann, 02-08-2022 17:28
Petra Eimann
Re : Pirottaea imbricata?
Hi Michel,

all pictures are taken with the same camera. Shots 5 + 6 are from a different location on the same substrate.
LG Petra

Michel Hairaud, 02-08-2022 17:36
Michel Hairaud
Re : Pirottaea imbricata?
I cannot see on picture 6 the type of hairs specialized on Pirottaea. Mind you ! I may also mis inetrprete.. 
I am sending to your mail box a pdf of the basic (but stillvaluable) Nannfeldt monograph

Zotto may have a better (more recent key) . I would then also benefit from it -:) 

Michel
Petra Eimann, 02-08-2022 17:59
Petra Eimann
Re : Pirottaea imbricata?
Hi Michel,
thank you very much for sending this key. I will try to determine the species. As it is my first Pirottaea, I do not yet have any possibilities for comparison within the genus. I hope I will come to a result.
LG Petra
Hans-Otto Baral, 02-08-2022 21:16
Hans-Otto Baral
Re : Pirottaea imbricata?
No, I do not have a key other than Nannfeldt's. And I must say that I never advocated the separation into Pyrenopeziza and Pirottaea.

I admit the hairs are a bit thinner-walled than usual but I would still searhc this in Pirottaea, though I could be wrong.

In any case, I would prefer livin material for comparison.

If you compare my folder imbricata you will easily see that it cannot be that species.

Pirottaea is not easy, by the way, nor is Pyrenopeziza.

Zotto
Michel Hairaud, 03-08-2022 09:55
Michel Hairaud
Re : Pirottaea imbricata?
I do agree with this conclusion (Pirottaea is not easy, by the way, nor is Pyrenopeziza) but how pleasant they are to look after !
Please, Petra, do not give up ! 

Michel
Petra Eimann, 04-08-2022 13:03
Petra Eimann
Re : Pirottaea imbricata?
Hello,
here is a photo of the host. It could be Fallopia japonica, Fallopia sachalinensis or Impatiens glandulifera. I will try to identify the Pirottaea according to the key. It is a pity that there is no classification according to substrate as with some other genera.
LG Petra



  • message #73602
Peter Püwert, 04-08-2022 15:01
Peter Püwert
Re : Pirottaea imbricata?
Hi,

no Fallopia, looks like Impatiens.
Hans-Otto Baral, 04-08-2022 21:01
Hans-Otto Baral
Re : Pirottaea imbricata?
Yes, Impatiens. Some species of Pyrenopeziza and Pirottaea are not at all host-specific, so a substrate key is not of much use, keys based on the host I only like as synoptic key. When putting too much emphasis on the host, one is mislead to disregard morphology too much.