Accès membres

Mot de passe perdu? S'inscrire

09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

10-01-2026 01:18

Danny Newman Danny Newman

cf. Neovaginatispora fuckelii on indet. shrub Pre

07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

09-01-2026 10:08

Blasco Rafael Blasco Rafael

Hola, en el mismo habitat que la anteriorRetamaDia

08-01-2026 21:22

Blasco Rafael Blasco Rafael

Hola, He recogido esta muestra de Orbilia sobre Re

07-01-2026 17:29

Marc Detollenaere Marc Detollenaere

Dear Forum,On a barkless Populus I found some smal

10-11-2021 17:33

Riet van Oosten Riet van Oosten

Add-on topic http://www.ascofrance.com/forum/7059

07-01-2026 10:05

Danny Newman Danny Newman

cf. Chaetospermum on XylariaCosby Campground, Grea

« < 1 2 3 4 5 > »
Unknown species on phragmites leaves
Ralph Vandiest, 23-04-2014 22:29
Ralph VandiestHello,


I found these black small frb on leaves of phragmites, just covered under the upper layer. Size 0,15mm. Spores 3/4 septate and 26/29x6/6,5µm.


Any suggestions?


regards,

Ralph
  • message #28886
  • message #28886
  • message #28886
Ralph Vandiest, 24-04-2014 12:59
Ralph Vandiest
Re : Unknown species on phragmites leaves
maybe stagonospora but I have no key for this genera ?
Alain GARDIENNET, 24-04-2014 13:46
Alain GARDIENNET
Re : Unknown species on phragmites leaves

Hi Ralph,


Yes it's a Stagonospora species. But giving a species name is more difficult.


Alain

Martin Bemmann, 24-04-2014 18:16
Martin Bemmann
Re : Unknown species on phragmites leaves
Hi Ralph,

below the pages of Sutton 1980 on Stagonospora. Maybe it helps.

Regards
Martin
  • message #28903
  • message #28903
  • message #28903
  • message #28903
  • message #28903
Ralph Vandiest, 25-04-2014 22:42
Ralph Vandiest
Re : Unknown species on phragmites leaves
Thx Martin. As spores are < 30 µm long I have 2 choices but none of these 2 apear on phragmites.
regards
Luc Bailly, 28-04-2014 12:26
Luc Bailly
Re : Unknown species on phragmites leaves
Hello Ralph,
It's close to Stagonospora subseriata (most common on Molinia) even if the spores you described are a bit small. I still think it's that one.
Check Ellis & Ellis, or Grove: http://www.cybertruffle.org.uk/cyberliber/01209/0354.htm

Cheers - LUC