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Open access

Remigiusz Pielech, Krzysztof Zając and Marek Malicki


Veronica filiformis is an alien plant species widely distributed, across Central and Western Europe. The first observation of the species in the Sudetes was reported in 1942. Until 2000, only a few scattered sites were known in south-western Poland. During the last decade, V.filiformis was observed more frequently in many ranges of the Sudetes. In 2007, field works intended to discover new sites of the species were conducted as well as a critical revision of herbarium specimens stored in WRSL was performed. The number of known localities totals 37. Almost 65% of them were discovered during the last decade. The data are now summarized to bring up to date the known distribution and invasion scale of V. filiformis in the Polish part of the Sudetes.

Open access

Remigiusz Pielech, Marek Malicki, Michał Smoczyk, Andrzej M. Jagodziński, Marcin K. Dyderski, Paweł Horodecki, Sylwia Wierzcholska, Maciej Skorupski, Jacek Kamczyc, Izabela Kałucka, Mariusz Hachułka and Anna Gazda


The Czerwona Woda River is the main watercourse in the Stołowe Mountains National Park and drains the major part of the Stołowe Mts. It was regulated in the past, but its channel has been spontaneously naturalised. Now, managed spruce forests grow along almost the entire length of this small mountain stream. The aims of the present study were to investigate diversity of plant communities connected with the Czerwona Woda stream and to prepare detailed vegetation maps. The results obtained can potentially be a reference for future restoration projects implemented in the Stołowe Mountains National Park.

As a result of vegetation mapping, there were distinguished 20 plant communities representative of the current vegetation and 3 communities representative of the potential vegetation. Phytosociological data on the vegetation was documented by making 62 phytosociological relevés. Based on these, 9 forest communities were distinguished, of which 3 were classified into associations, 1 – into alliance, 5 – into secondary forest communities. Furthermore, there were distinguished 14 non-forest communities, of which 10 were classified into associations. Several of the phytosociological classes distinguished have been reported for the first time in the Stołowe Mountains National Park.