Accès membres

Mot de passe perdu? S'inscrire

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

04-05-2026 18:13

Stephen Martin Mifsud Stephen Martin Mifsud

ID request for what seems to be a true aquatic fun

04-05-2026 16:39

Stephen Martin Mifsud Stephen Martin Mifsud

ID request: This specimen was collected in Malta o

04-05-2026 09:50

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia,(España) re

03-05-2026 11:38

Castillo Joseba Castillo Joseba

Me mandan el material seco, recolectado en dunasLo

02-05-2026 12:42

Alain BRISSARD

Bonjour à tousJeuidi 30 avril dernier on m'a remi

02-05-2026 13:06

Pauline. Penna

Bonjour  Please can someone help me with this id

01-05-2026 22:45

Thierry Blondelle Thierry Blondelle

Bonjour à tous, Une récolte sur bouse séchée d

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

28-04-2026 20:33

Vitus Schäfftlein

Hello, I found Trochila ilicina on Ilex aquifoliu

« < 1 2 3 4 5 > »
Pyrenomycete with hyaline thickwalled hairs
Maren Kamke, 12-03-2016 12:43
Maren KamkeHi everybody,
I found a few perithecia (diameter 0,35 mm) on Sambucus nigra without bark. Spores, hyaline, big 34-46 x 7,5-10,1 µm, becoming 1-septate. Hairs thickwalled (up to 365 µm long and 11 µm wide) with refractive walls. Asci 115-130 x 12-20 µm, IKL negative.
I thought first of an Echinosphaeria sp., but I understand that this genus has brown setae. Maybe a Trichosphaeria?
Regards, Maren
  • message #41484
  • message #41484
  • message #41484
  • message #41484
  • message #41484
  • message #41484
  • message #41484
  • message #41484
Maren Kamke, 13-03-2016 13:30
Maren Kamke
Re : Pyrenomycete with hyaline thickwalled hairs
Hi again,
I found some immature perethecia on another stick. There are accompanying conidia.
Regards, Maren
  • message #41493
  • message #41493
  • message #41493
  • message #41493
  • message #41493
Jacques Fournier, 15-03-2016 15:17
Jacques Fournier
Re : Pyrenomycete with hyaline thickwalled hairs
Hi Maren,
I think your fungus is related to the Helminthosphaeria stuppea complex (se Miller et al., 2014, Mycologia 106: 505-524), but ascospore size does not fit.
Could you check under the stereomicroscope if the ostiole is surrounded by 3-4 tubercles, as in typical H. stuppea?
Cheers,

Jacques
Maren Kamke, 15-03-2016 22:46
Maren Kamke
Re : Pyrenomycete with hyaline thickwalled hairs
Thank you Jacques,
I checked on tubercles, but there are none. I think it is indeed a species related to Helminthosphaeria stuppea. Maybe it's the same Europaean species which has been discussed many times here under the name Lasiosphaeria stuppea.
http://www.ascofrance.fr/search_forum/40144
http://www.ascofrance.fr/search_forum/14026
http://www.ascofrance.fr/search_forum/37289

Regards, Maren