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05-10-2025 16:41

François Bartholomeeusen

Dear forum members, On a mat of dried algae/liche

03-10-2025 13:44

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde on Populus

04-10-2025 02:17

Masanori Kutsuna

Hello, This is a quite common species on rotten w

03-10-2025 22:03

Francois Guay Francois Guay

Hi everyone, I found this weird asco growing on wo

03-10-2025 22:17

Francois Guay Francois Guay

Hi everyone,   I found this white, star-shaped

04-10-2025 02:13

Francois Guay Francois Guay

Hi everyone,   I found this Hymenoscyphus growi

03-10-2025 10:25

Jean-Luc Ranger

Que pensez-vous de ce Chaetomium sp : 10- 10,5 x 6

03-10-2025 09:43

Josep Torres Josep Torres

Tiny blackish ascomata shaped like erumpent grains

02-10-2025 09:16

Josep Torres Josep Torres

Hello.Some tiny apothecia sprouting in a scattered

01-10-2025 20:16

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I would appreciate your opinion on this yell

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Rhytismatales on Picea
Marja Pennanen, 08-04-2010 12:29
Hello

I though I was picking some Tympanis and put the specimen aside in a plastic bag and forgot it there for a week. Now when I had time I decided to try to determine it. I got supriced, because it had opened and looked like Coccomyces. It wasn't and seems to represent a genus unfamiliar to me.

The spores seems to have or not to have a cover and are about 25-35x 10-15 with cover and about 25x3-8 without. Asci about 150-250x20-25 micrometers.

The fruitbodies are 1-2 mm wide.
  • message #11023
Marja Pennanen, 08-04-2010 12:32
Re:Rhytismatales on Picea
The round spores are from myxomycetes. I have added them into water for measuring. Lacking micrometer ;)
  • message #11024
Kutorga Ernestas, 08-04-2010 12:51
Re:Rhytismatales on Picea
Hello Marja,

it could be Tryblidiopsis pinastri.

Ernestas
René Dougoud, 08-04-2010 13:16
Re:Rhytismatales on Picea
Cher Collègue,

Il s'agit bien, comme l'indique Ernestas, de Tryblidiopsis pinastri (Pers.: Fr.) Karsten

Bubliographie:

BARKLUND, P. & T. KOWALSKI, 1996. Endophytic fungi in branches of Norway spruce
with particular reference to Triblidiopsis pinastri. - Can. J. Bot. 74 : 673-678
DOUGOUD, R. 2000. Le champignon du mois: Tryblidiopsis pinastri. - Bull. Suisse de mycol. / SZP 1: 23-29
LIVSEY, S. & D.W. MINTER., 1994. The taxonomy and biology of Triblidiopsis pinatris.
— Can. J. Bot. 72 : 549-557
REHM, H., 1896. Ascomyceten : Hysteriaceen und Discomyceten. Rabenh. Kryptog. 1(3) :1-
1275
VELENOVSKY, J. 1934. Monographia Discomycetum Bohemiae 1, 2. Prague, 436 pp. (+ 31
planches)

Cordialement

René
  • message #11026
René Dougoud, 08-04-2010 13:30
Re:Rhytismatales on Picea
Dans l'espoir que le document passe, voici le brouillon de l'article paru dans le Bull. Suisse en 2000

René
Christian Lechat, 08-04-2010 13:37
Christian Lechat
Re:Rhytismatales on Picea
Bonjour René,
votre image ne passe pas, trop lourde ou trop grande.
Essayez de la mettre dans la rubrique "Document" ci-dessous en format PDF.
Si ça ne fonctionne pas, envoyez-moi votre image et je la mettrai en ligne.
Cordialement,
Christian.
Marja Pennanen, 08-04-2010 17:54
Re:Rhytismatales on Picea
Thanks for quick answer.
Merci.

Marja