Orchid diversity in forest habitats of the Strážovské and Súľovské Vrchy Mountains
The work presented here is the culmination of four years of intensive monitoring of orchids in all forest and non-forest habitats of the Strážovské and Súľovské vchy Mountains and vicinity between 2017 and 2020. It is a direct follow-up to Ruček, 2019, and the list of re-corded species from the vegetation period between 2019 and 2020 is supplemented. In total, more than 12,000 individuals of 61 taxa were recorded in 2865 populations. From these data, diversity in non-forest, deciduous, coniferous and mixed forests was calculated, while the highest diversity was found in deciduous forests. The relationship of altitude to the abundance of species and populations was also confirmed. The greatest emphasis was placed on the genus Epipactis, which is typical for forest habitats. Records for 17 species of this genus and other Central European species with potential occurrence in the studied area were evaluated in detail. Distribution maps in the Central European square network, maps with the exact location of the population and detailed photographs of the studied plants were prepared.
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