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29-06-2025 18:11

Ethan Crenson

Hello all, A friend found this disco yesterday in

28-06-2025 17:10

Peter Welt Peter Welt

I'm looking for: RANALLI, M.E., GAMUNDÍ, I.J. 19

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

27-06-2025 14:09

Åge Oterhals

I found this pyrenomycetous fungi in mountain area

26-06-2025 17:53

Angel Pintos Angel Pintos

Does anyone have the following paperMycocaliciacea

11-06-2025 16:26

Jason Karakehian Jason Karakehian

Hi everyone, I am looking for the following protol

23-06-2025 13:25

Enrique Rubio Enrique Rubio

I would like to hear your opinion on this Scutelli

25-06-2025 16:56

Philippe PELLICIER

Bonjour, pensez-vous que S. ceijpii soit le nom co

25-06-2025 16:25

Thomas Flammer

My first impression was sth like Rutstromeia, but

24-06-2025 22:29

Danny Newman Danny Newman

Hello AscoFrance, I have recently photographed, c

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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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