31-03-2026 21:18
Miguel Ángel Ribes
Good evening. oes anyone have the original descrip
31-03-2026 20:57
Stefan BlaserHello everybody, I hope somebody can help me with
26-03-2026 15:31
Åke Widgren
Hello,I found this one in October last year, on r
31-03-2026 16:20
Mlcoch Patrik
Hello, Please about help with determination. On
31-03-2026 08:19
Bernard CLESSE
Bonjour à toutes et tous,Pourriez-vous m'aider à
30-03-2026 12:03
William Slosse
Hello all,On 27/03/26, in Kraaiveld in Wingene (Be
25-03-2026 10:35
Hulda Caroline HolteHello,I collected this species growing on a dead b
30-03-2026 09:53
Yanick BOULANGERBonjourVoici des petites fructifications poilues s
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

