Ecological Characteristics of Habitats Suitable for Solidago × niederederi Khek (Asteraceae) Establishment
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Department of Taxonomy, Phytogeography and Palaeobotany, Institute of Botany, Faculty of Biology, Jagiellonian University, Gronostajowa 3, 30-387 Kraków, Poland
Department of Tourism Geography and Ecology, Institute of Tourism, Faculty of Tourism and Recreation, University of Physical Education in Cracow, 31-571 Kraków, Poland
Department of Nature Conservation and Landscape Ecology, College of Natural Sciences, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland
Submission date: 2020-03-23
Final revision date: 2020-07-14
Acceptance date: 2020-07-18
Online publication date: 2020-11-26
Publication date: 2021-01-20
Corresponding author
Artur Pliszko   

Department of Taxonomy, Phytogeography and Palaeobotany, Faculty of Biology, Jagiellonian University, Poland
Pol. J. Environ. Stud. 2021;30(2):1339–1348
In this study, phytosociological plots are used to describe species composition and ecological conditions of habitats in which Solidago × niederederi, a natural hybrid between the North American S. canadensis and the European S. virgaurea, was found as established in Poland. Four groups of phytosociological plots have been distinguished based on the unweighted pair group method with arithmetic mean. The groups did not differ significantly in the mean number of species per plot and in the species evenness, in contrast to the mean values of Shannon-Wiener index and Simpson index. In each group of phytosociological plots, S. ×niederederi and S. virgaurea had the highest value of constancy degree. Meadow species of the class Molinio-Arrhenatheretea had the highest share in all groups of phytosociological plots. Considering the Ellenberg’s indicators, the groups of phytosociological plots differed significantly in the mean values of the light and thermal conditions, soil moisture, soil reaction, and nutrients. The results suggested that S. ×niederederi can be established in well light places with partial shade and temperate conditions, on moist, moderately acidic to almost neutral soils with average fertility and is strongly associated with S. virgaurea and meadow species of Molinio-Arrhenatheretea.