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19-05-2026 10:27

Patrice TANCHAUD

Bonjour, récolte récente sur terre retournée i

22-05-2026 13:29

Gernot Friebes

Hi,I am curious to hear your opinion on this mater

04-06-2026 15:28

Tony Cumberlidge

I have recently found the very helpful European Ke

04-06-2026 10:50

François Freléchoux François Freléchoux

Bonjour, J'ai trouvé hier un petit asco observé

04-06-2026 07:02

François Freléchoux François Freléchoux

Bonjour, Voici la description d'une espèce qui p

04-06-2026 13:34

Gernot Friebes

Hi,I am interested to hear your opinion on this Le

04-06-2026 11:36

Gernot Friebes

Hi,found on Vaccinium myrtillus.Asci: IKI –, 8-s

04-06-2026 11:14

Philippe PELLICIER

Bonjour, Sur bois mort de conifère (Larix, Pinus

18-10-2022 00:12

Valencia Lopez Francisco Javier

Hola amigos/asRecientemente encontré esta colecci

03-06-2026 21:37

Tony Cumberlidge

This is my second post so just starting to get use

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Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
Björn Wergen, 14-03-2011 18:35
Björn WergenHi,

today I looked for some small fungi on Hemerocallis (fulva), perhaps you can tell me what it can be or if I am right with my determination ;)

1. The first one is obviously a Pleospora, I think it is P. phaeocomoides, with spores around 18-21x8-10µm and 1 longitudinal and 5 transverse septa.

2. The second one is perhaps a Phaeosphaeria with spores around 14,5-16x3-3,5µm and Asci 40-60x5-8µm. One central cell is a bit swollen up to 4µm. Spores seem to be smooth.

1. Pleospora cf phaeocomoides
Makro
  • message #14727
Björn Wergen, 14-03-2011 18:36
Björn Wergen
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
1. Pleospora cf phaeocomoides
Mikro1
  • message #14728
Björn Wergen, 14-03-2011 18:36
Björn Wergen
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
1. Pleospora cf phaeocomoides
Mikro2
  • message #14729
Björn Wergen, 14-03-2011 18:37
Björn Wergen
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
1. Pleospora cf phaeocomoides
Mikro3 "perithecia wall"
  • message #14730
Björn Wergen, 14-03-2011 18:37
Björn Wergen
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
2. Phaeosphaeria spec.
Makro
  • message #14731
Björn Wergen, 14-03-2011 18:37
Björn Wergen
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
2. Phaeosphaeria spec.
Mikro
  • message #14732
Alain GARDIENNET, 15-03-2011 00:29
Alain GARDIENNET
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
Hi Kazama,
Felicitations, I've never found perfect pyrenos in Hemerocallis fulva.
For the first one, it's OK for P. phaeocomoides.
For the second one, I've no idea for the moment.
Alain
Björn Wergen, 15-03-2011 01:47
Björn Wergen
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
Hi Alain,

thank you very much for help. I had some problems to find these pyrenos but I have checked a few preparations and found only one fruitbody of Phaeosphaeria and Pleospora. So it was absolutely random :D
Yannick Mourgues, 15-03-2011 12:07
Yannick Mourgues
Re:Pleospora and Phaeosphaeria (?) on Hemerocallis fulva
Salut Alain et Kazama.
Y a-t'il un doc récent sur les Pleospora qui ferait le point sur ce genre avec clés et descriptions ?
Yannick