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  1. Article

    Open Access

    Distribution of plant species Iris sibirica and its vegetation affinity in Slovakia

    Iris sibirica is a threatened plant species of the Central European flora, but its distribution and vegetation ecology in Slovakia have not been studied so far. Therefore, we aimed to compile a complex chorology ...

    Richard Hrivnák, Michal Slezák, Matej Dudáš, Dobromil Galvánek, Tereza Labovská in Biologia (2024)

  2. Article

    Open Access

    Chorology and phytosociological affinity of Greater Spearwort (Ranunculus lingua L.) in Slovakia

    Ranunculus lingua is an Euro-Siberian vascular plant species of freshwater habitats. Distribution and vegetation preferences of this rare species, which is native to the Slovak flora, have not yet been critically...

    Matej Dudáš, Richard Hrivnák, Michal Slezák in Biologia (2023)

  3. No Access

    Article

    New mutations for two association names of forest plant communities

    We provide the formal correction of the name-giving taxon for two association names of forest plant communities according to Article 45 of the International Code of Phytosociological Nomenclature. The new muta...

    Ján Kliment, Richard Hrivnák, Milan Valachovič, Michal Slezák in Biologia (2022)

  4. No Access

    Article

    Syntaxonomical revision of the order Fagetalia sylvaticae Pawłowski ex Pawłowski et al. 1928 in Slovakia

    A complete syntaxonomical revision of beech, fir and mixed montane forest communities within the order Fagetalia sylvaticae was realised for the first time in Slovakia. We used all available phytosociological mat...

    Mariana Ujházyová, Karol Ujházy, František Máliš, Michal Slezák in Biologia (2021)

  5. No Access

    Article

    Distribution, ecology and vegetation affinity of bog arum (Calla palustris) in Slovakia

    Calla palustris is a circumboreal species native to wetland habitats of the Northern Hemisphere. Information about the complex distribution, vegetation and ecology of C. palustris in Slovakia is still missing and...

    Matej Dudáš, Michal Slezák, Richard Hrivnák in Biologia (2021)

  6. No Access

    Article

    Classification of common hazel scrub vegetation in Slovakia

    Approaches for classifying common hazel-dominated communities differ substantially among countries in Europe. Based on differing criteria, authors have classified identical communities within different higher ...

    Ján Kliment, Richard Hrivnák, Michal Slezák, Drahoš Blanár, Ivan Jarolímek in Biologia (2021)

  7. No Access

    Article

    Floodplain forest vegetation in the northern part of the Western Carpathians

    Floodplain forests, as diverse plant communities commonly related to riparian zones, host plant species with various ecological niches and origins. The phytosociological context of floodplain forests has been ...

    Michal Slezák, Ivan Jarolímek, Judita Kochjarová, Richard Hrivnák in Biologia (2020)

  8. No Access

    Article

    How do environmental variables shape plant species diversity and composition in beech forests of Central Slovakia?

    European beech forests are an important component of natural vegetation in submontane and montane areas of Central Europe. Although floristic variability of their plant communities has been relatively well des...

    Michal Slezák, Richard Hrivnák in Biologia (2019)

  9. No Access

    Article

    Environmental thresholds and predictors of macrophyte species richness in aquatic habitats in central Europe

    The degradation of habitats and species loss in freshwaters is far greater than in any other ecosystem. The decline in biodiversity has a strong potential to alter the functioning of the ecosystem and the serv...

    Marek Svitok, Richard Hrivnák, Judita Kochjarová, Helena Oťaheľová in Folia Geobotanica (2016)

  10. No Access

    Article

    The relationship between macrophyte assemblages and environmental variables in drainage and irrigation canals in Slovakia

    Our study provides new knowledge about macrophyte assemblages and environmental variables of Slovak drainage and irrigation canals. The canal system, comprising ca. 15% of all flows in Slovakia, is one of the ...

    Peter Baláži, Richard Hrivnák in Biologia (2016)

  11. No Access

    Article

    Alien wetland annual Lindernia dubia (Scrophulariaceae): the first recently mentioned localities in Slovakia and their central European context

    Lindernia dubia (L.) Pennell, a Northern-American species, was recently found in two localities in central Slovakia (near Trenč and Štiavnické Bane villages) as a new species for the flora of Slovakia. Individual...

    Richard Hrivnák, Judita Kochjarová, Kateřina Šumberová, András Schmotzer in Biologia (2016)

  12. No Access

    Article

    Red list of ferns and flowering plants of Slovakia, 5th edition (October 2014)

    The last version of Red List was published already more than 10 years ago but the knowledge of the flora of Slovakia has substantially improved due to large-scale map** projects and taxonomical research. The...

    Pavol Eliáš jun., Daniel Dítě, Ján Kliment, Richard Hrivnák, Viera Feráková in Biologia (2015)

  13. No Access

    Article

    Species Richness Pattern along Altitudinal Gradient in Central European Beech Forests

    The unimodal species richness-altitude distribution pattern seems to be universal. To investigate the validity of this phenomenon in homogeneous substrate and vegetation conditions, we sampled beech-dominated ...

    Richard Hrivnák, Dušan Gömöry, Michal Slezák, Karol Ujházy, Radim Hédl in Folia Geobotanica (2014)

  14. No Access

    Article

    Environmental effects on species richness of macrophytes in Slovak streams

    The effect of 19 environmental variables on species richness of macrophytes was studied in 39 Slovak streams. The studied streams were poor in species; in total, 88 macrophyte taxa were found and the average n...

    Richard Hrivnák, Helena Oťheľová, Dušan Gömöry in Central European Journal of Biology (2012)

  15. No Access

    Article

    Vegetation of the aquatic and marshland habitats in the Orava region, including the first records of Potametum alpini, Potametum zizii and Ranunculo-Juncetum bulbosi in the territory of Slovakia

    The vegetation of the aquatic and marshland habitats of the Orava region (north of Slovakia) was studied in 2009, using traditional phytosociological methods. Sixteen aquatic and eighteen marsh plant communiti...

    Richard Hrivnák, Judita Kochjarová, Helena Oťaheľová in Biologia (2011)

  16. No Access

    Article

    Seasonal dynamics of macrophyte abundance in two regulated streams

    This study analysed seasonal dynamics of macrophyte abundance in two perennial lowland regulated streams (Stream 1 and 2) in the Danube basin (Slovakia). Assessments of macrophyte abundance and environmental c...

    Richard Hrivnák, Helena Oťaheľová, Dušan Gömöry in Central European Journal of Biology (2009)

  17. No Access

    Article

    Mire vegetation of the Muránska Planina Mts — formalised classification, ecology, main environmental gradient and influence of geographical position

    Mire vegetation of the Muránska planina Mts and adjacent parts of neighbouring orographical units was studied in 1998–2005 using the standard Zürich-Montpellier (Braun-Blanquet) approach. We applied the define...

    Richard Hrivnák, Michal Hájek, Drahoš Blanár, Judita Kochjarová, Petra Hájková in Biologia (2008)

  18. No Access

    Article

    Diversity of aquatic macrophytes in relation to environmental factors in the Slatina river (Slovakia)

    Distribution and plant mass of aquatic macrophytes, and their relation to environmental conditions was studied in the submontane-colline Slatina river in 2004. Diversity of macrophytes was low, only 8 vascular...

    Richard Hrivnák, Helena Oťahel’ová, Ivan Jarolímek in Biologia (2006)

  19. No Access

    Article

    Context-dependence of diagnostic species: A case study of the central european spruce forests

    In the phytosociological literature, there are numerous different approaches to the designation of diagnostic species. Frequently, this results in discrepancies between the lists of diagnostic species publishe...

    Milan Chytrý, Andreas Exner, Richard Hrivnák, Karol Ujházy in Folia Geobotanica (2002)