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13-09-2012 10:24

Björn Wergen Björn Wergen

Hi all,during my Austria vacation I have found a s

11-09-2012 21:55

Björn Wergen Björn Wergen

Hi all,I have found this small, valsoid Diaporthal

10-09-2012 20:27

Peter Thompson

Hello Everyone,I would be very grateful to receive

12-09-2012 00:44

Esquivel-Rios Eduardo

Hi all.Deighton reported Anellodochium ramulispori

10-09-2012 21:26

Esquivel-Rios Eduardo

Hi all.Bombacopsis quinata is a native timber sp

10-09-2012 20:38

Peter Thompson

Hello Everyone,I have been trying to find informat

11-09-2012 09:41

Cacialli Gabriele Cacialli Gabriele

Bounjour aux amis d'Ascofrance... Pour une monogra

10-09-2012 20:33

Enrique Rubio Enrique Rubio

Hello my friendsI present you a new problem with t

08-09-2012 21:24

Enrique Rubio Enrique Rubio

Hi againThis fungs has superficial, gregrious, pyr

09-09-2012 18:12

Enrique Rubio Enrique Rubio

Hi to everybody:On a copious and cottony white su

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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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