23-05-2026 18:57
Sylvie Le GoffBonjour à tousRécolté sur une branchette de Sal
22-05-2026 14:44
Lothar Krieglsteiner
in unripe condition citrine yellow, then soon fadi
23-05-2026 11:44
Charles Grapinet
Hello, I am having trouble identifying this copro
22-05-2026 21:35
Steve ClementsBonjour, I expected this find on old wood on our
22-05-2026 18:12
Lothar Krieglsteiner
... in moist chamber from Portugal.As the fungus s
22-05-2026 20:08
Ethan CrensonHello all, Yesterday in NYC I was visiting an e
11-01-2022 16:36
Jason Karakehian
Hi does anyone have a digital copy of Raitviir A (
20-05-2026 17:47
Margot en Geert VullingsWe found this Mollisia on dead Juncus stems mown l
22-05-2026 14:47
Gernot FriebesHi,superficial ascomata collected on bark of a liv
Bonjour,
Piet BORMANS,
24-01-2012 19:47
Il y a quelques jours j'ai trouvé Pleomassaria siparia sur une petite branche de Betula pendula. Sur la même branche j' ai également trouvé des conidies inconnus. Je les trouvais tellement particulier que je voudrais en savoir plus. Quelqu'un peut-il m'aider?
Photo 1 (x 400) - 1 graduation vaut 2,51 µm
Photo 2 (x1000) - 1 graduation vaut 1,01 µm
Merci,
Piet Bormans
Gernot Friebes,
24-01-2012 20:13
Re : Bonjour,
Hi Piet,
it looks very much like Prosthemium betulinum, the anamorphic state of Pleomassaria siparia. You find a description and illustrations in:
Kazuaki Tanaka, Vadim A. Mel'nik, Maasa Kamiyama, Kazuyuki Hirayama, and Takashi Shirouzu, 2010. - Molecular phylogeny of two coelomycetous fungal genera with stellate conidia, Prosthemium and Asterosporium, on Fagales trees. Botany 88: 1057–1071.
Best wishes,
Gernot
it looks very much like Prosthemium betulinum, the anamorphic state of Pleomassaria siparia. You find a description and illustrations in:
Kazuaki Tanaka, Vadim A. Mel'nik, Maasa Kamiyama, Kazuyuki Hirayama, and Takashi Shirouzu, 2010. - Molecular phylogeny of two coelomycetous fungal genera with stellate conidia, Prosthemium and Asterosporium, on Fagales trees. Botany 88: 1057–1071.
Best wishes,
Gernot
Piet BORMANS,
25-01-2012 10:33
Re : Bonjour,
Thank you very much Gernot.
Piet
Piet