Drepanocladus turgescens (Bryophyta, Amblystegiaceae) rediscovered in Poland


en Cryptogamie, Bryologie 38 (3) - Pages 265-273

Published on 28 July 2017

Drepanocladus turgescens is a moss of arctic-alpine distribution, very rare and declining in Central Europe, in the past known in Poland from four relict sites in the small basin area in the central Silesia-Cracow Upland (southern Poland), the only sites of the species in Central Europe outside the Alps. All of them were considered extinct thirty years ago. In May 2011 a new site was discovered in the same upland basin, only a few kilometers from the previous localities. The species occurs quite abundantly in patches of extremely rich-fen (Caricion davallianae alliance) of semi-natural origin, mostly in shallow depressions with slightly flowing, spring calcareous water, occasionally drying out.

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