New locality of Polystichum aculeatum (Dryopteridaceae) in the planned Czarcia Kępa Nature Reserve in the Litewski Lake District
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Zakład Ekologii Roślin i Ochrony Środowiska, Instytut Botaniki, Wydział Biologii, Centrum Nauk Biologiczno-Chemicznych, Uniwersytet Warszawski, ul. Żwirki i Wigury 101, 02-096 Warszawa, Polska
Online publication date: 2020-12-30
Publication date: 2020-12-30
Fragm. Flor. et Geobot. Pol. 2020; XXVII(2): 654–658
A new locality of Polystichum aculeatum was found in 2018 in the Błędzianka river valley in the Litewski Lake District (Warmia and Masuria Province), where the species has not been recorded since the 19th century. The population consisted of 13 clumps on an extremely steep slope in species-rich broadleaved forest of the Acer platanoides-Tilia cordata community within the recently proposed Czarcia Kępa Nature Reserve. In order to protect valuable broadleaved forest with P. aculeatum and other rare species – including an abundant population of the rare Campanula latifolia – the planned nature reserve should be established there.