Hallo Holger,
It looks very much like pennisposa and was found around 15-20 km away from the habitat of pennispinosa. Brachytrichion grows also only 30 km away. The plant shown on the picture is very young and only 1,5 cm in diameter, so it is hard to tell. I'll post a picture within a year or so, to see if there are changes in growth and if it will flower.
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Chris admin