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06-05-2025 13:37

Thomas Flammer

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

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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

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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

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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

05-05-2025 09:35

Nicolas Suberbielle Nicolas Suberbielle

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Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España),  reco

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Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España),  reco

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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