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11-01-2022 16:36

Jason Karakehian Jason Karakehian

Hi does anyone have a digital copy of Raitviir A (

17-07-2024 08:35

Peter Welt Peter Welt

Who can help? Malloch, D.; Hubart, J.-M. 1987. An

16-07-2024 18:32

Andgelo Mombert Andgelo Mombert

Bonsoir, Un discomycète sur Liochlaena lanceolat

24-08-2020 13:00

Yulia Lytvynenko Yulia Lytvynenko

Dear friends.Looking for a copy of the following w

11-07-2024 14:29

Viktorie Halasu Viktorie Halasu

Hello, a thin-fleshed Mollisia on a monocot stem

15-07-2024 10:38

Joaquin Martin

Hi, I found this Ascobolus in company of Cheilyme

14-07-2024 18:23

Joaquin Martin

Hi,I found this Ascomycete on horse dung.The spora

13-07-2024 19:50

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I have identified this fungus as Hamatocanth

08-07-2024 23:34

Villalonga Paco

Small Scutellinia growing in garden soil (calcareo

12-07-2024 02:12

Stefan Jakobsson

On a wet lake shore I found a single minute apothe

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Periconia britannica ?
Charles Grapinet, 29-02-2024 10:42
Charles GrapinetHello,

Yesterday I found a Periconia on a dead Aesculus leaf, near Belfort (north east of France, altitude of 400m). I need help with identification.


Description :


- solitary conidiophores, with only 3 examples scattered on a dead leaf of Aesculus.
- Foot approximately 400 µm long, with three septa. Foot width of 10 to 15µm depending on location. Slight enlargement of the foot at the apex, at the level of the cluster of conidia.
- the cluster of conidia has a diameter of 30 to 45 µm. It is fixed unilaterally. I noticed this element when varying the focus of the microscope. See on photo number two.
- the conidia are slightly warty (hardly visible in my photos), yellow-brown and measure 6 to 7µm in diameter.


These elements remind me of Periconia britannica described by Ellis (1976), because the cluster of conidia is fixed laterally and the conidia are small in diameter.


What do you think ?


Furthermore, does anyone have a key to Periconia to recommend to me?


Charles

  • message #78420
  • message #78420
  • message #78420
Hoyo Pilar, 01-03-2024 10:16
Re : Periconia britannica ?
Buenos días!

Espero que sea útil.

Saludos 
Pilar Hoyo
  • message #78427
Hoyo Pilar, 01-03-2024 10:19
Re : Periconia britannica ?
La clave
  • message #78429
Hoyo Pilar, 01-03-2024 10:21
Re : Periconia britannica ?
Una imagen
  • message #78430
Charles Grapinet, 01-03-2024 16:00
Charles Grapinet
Re : Periconia britannica ?
Buenas tardes,

Gracias por la clave que es muy interesante. Me parece que se corresponde bien con Periconia britanica ! Voy a buscar otros conidióforos para confirmar.

It seems to me that several species of periconia have been described recently.. If anyone has an even newer key, I'm interested.

Saludos,

Charles