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09-12-2025 12:06

Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche l'article concernant Hypobryo

07-12-2025 16:07

Arnold Büschlen

Hallo, ich habe in einer Moos-Aufsammlung (epiphy

08-12-2025 21:04

Mark Stevens

"Hello everyone,I'm relatively new to microscopy (

08-12-2025 18:59

Lothar Krieglsteiner Lothar Krieglsteiner

.. found by a seminar-participant, I do not know t

08-12-2025 21:18

Buckwheat Pete

Hello everyone, Is it possible to at least approx

07-12-2025 17:43

Malcolm  Greaves Malcolm Greaves

This Helvella was in mixed woodland. Uniform cupul

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-03-2014 22:00

Ralph Vandiest Ralph Vandiest

Hello,I found this species a few months ago but ha

08-12-2025 13:39

Thomas Læssøe

https://svampe.databasen.org/observations/10572899

07-12-2025 22:43

Andreas Millinger Andreas Millinger

Good evening, tried to determine with Munks Valsa

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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