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29-08-2025 05:16

Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

30-01-2026 21:20

Arnold Büschlen

Bryocentria brongniartii und B. metzgeriae mit ihr

21-01-2026 16:32

Gernot Friebes

Hi,I need your help with some black dots on a lich

07-12-2015 14:17

Zugna Marino Zugna Marino

Buon giorno a tutti, ad un primo momento, non ess

29-01-2026 10:04

Jean-Paul Priou Jean-Paul Priou

Bonjour à tous, Marcel LECOMTE président de L'A

17-11-2009 22:22

Pablo Chacón Pablo Chacón

Bonne nuit, Voir si vous m'avez élaguée appor

25-11-2012 20:32

Bometon Javier Bometon Javier

Ascomas cupoliformes abiertos lateralmente, himeni

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Thelenellaceae?
Björn Wergen, 13-09-2012 10:24
Björn WergenHi all,

during my Austria vacation I have found a small pyrenocarpous fungi growing on dead bark of ?Populus (@Gernot: this was the tree where you have found L. compressum) in 1,50m hight. I do not know if it is really a lichen of Thelenellaceae or something, but perhaps you can tell me. It has very small spores (2-3x1,5µm) and polyspored thick-walled asci, which react faintly blue in Barals (with stronger concentration orangered). Distinct blue react the periphyses and the subhymenium. 

Macroscopically the fruitbody seems to be a perithecia (?), very small, about 0,2 mm and black with white inside.

regards,
björn
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