Preslia @preslia.cz · 29/09/2026The Czech Vegetation Database goes open access: >117,000 vegetation plots are now online, with a stratified subset for national-scale analyses, an interactive viewer, code for analysis and resampling, and >2.4 million species records in GBIF, ready for reuse. preslia.cz/doi/preslia.2026.187.html 074
Preslia @preslia.cz · 28/09/2026🌿 Coming soon: Preslia 98(3)! New insights into central European vegetation and plant diversity: 🔹 Czech Vegetation Database goes fully open, with >117,000 plots and >2.4 million GBIF records 🔹 274 mire specialists identified across plants, bryophytes and macrofungi, revealing major habitat decline 100
Preslia @preslia.cz · 22/06/2026Even extreme dry grasslands on rocky outcrops are not stable. A 30-year resurvey in the Dyje/Thaya valley reveals declines of rare xerophilous species, spread of ruderal and nutrient-demanding plants, and strongest changes outside national parks. preslia.cz/doi/preslia.2026.169.html 021
Preslia @preslia.cz · 22/06/2026Mediterranean Dittrichia graveolens is spreading along Slovak motorways, especially older sections. Its tolerance of mild frost and warmer summers, together with climate change, may support further eastward expansion through road corridors. preslia.cz/doi/preslia.2026.145.html 031
Preslia @preslia.cz · 18/06/2026A new community resource for Alpine botany: flow-cytometric screening of ~45,000 silica-dried samples yielded genome-size and ploidy data for 1,103 plant species. Polyploids were found in 35%, with successful analyses for 97% of species screened. preslia.cz/doi/preslia.2026.127.html 031
Preslia @preslia.cz · 16/06/2026🌿 Coming soon: Preslia 98(2)! New insights into plant diversity, invasions and vegetation change: 🔹 Genome-size and ploidy data compiled for 1,103 Alpine plant species 🔹 Mediterranean Dittrichia graveolens continues its eastward spread along Slovak motorways 111
Preslia @preslia.cz · 25/03/2026Unique wetlands of the Pannonian Basin host an unexpected Batrachium diversity, including several morphologically cryptic cytotypes unknown elsewhere in central Europe. These lineages are closer to Mediterranean taxa than to their central European neighbours. preslia.cz/doi/preslia.2026.105.html 041
Preslia @preslia.cz · 25/03/2026New distribution maps for 87 vascular plant taxa reveal a flora under pressure: several species now survive at a single Czech site and four are nationally extinct. In contrast, taxonomic revision reveals 22 distinct escaped Cotoneaster species. preslia.cz/doi/preslia.2026.001.html 054
Preslia @preslia.cz · 25/03/2026🌿 Coming soon: Preslia 98(1)! New insights into central European flora: 🔹 87 taxa mapped reveal declines, extinctions, and newly recognised escaped diversity 🔹 Pannonian wetlands host unique Batrachium with Mediterranean links Stay tuned! 📖 #Botany #PlantScience #Taxonomy #Evolution #Ecology 000
Preslia @preslia.cz · 15/12/2025Garden centres can host surprisingly diverse alien floras, including species not yet recorded in the country. A survey from Hungary shows they can also act as hubs of unintentional introductions and spread, including invasive species. preslia.cz/doi/preslia.2025.659.html 043
Preslia @preslia.cz · 15/12/2025Why are allopolyploids common in Batrachium, but no diploid hybrids? This puzzle is now solved: a large-scale screening uncovered a natural hybrid between diploid species, providing new insight into the early stages of polyploid evolution. preslia.cz/doi/preslia.2025.637.html 031
Preslia @preslia.cz · 11/12/2025Pannonian sand grasslands persist, but their specialists fade. Species adapted to grazing and dry, nutrient-poor soils decline, while generalists and nutrient-demanding species increase, driven by succession, eutrophication and abandoned management. preslia.cz/doi/preslia.2025.613.html 0136
Preslia @preslia.cz · 09/12/2025🌿 Coming soon: Preslia 97(4)! Three new papers shed light on biodiversity loss, plant evolution and overlooked drivers of plant invasions: 🔹 Pannonian sand grasslands lose specialists due to succession and eutrophication 112
Preslia @preslia.cz · 09/09/2025Nine cryptic Aneura lineages confirmed in Slovenia, incl. two new for Europe. Molecular and morphological data reveal overlooked diversity in liverworts and refine species delimitation, distribution, and habitat preferences. preslia.cz/doi/preslia.2025.589.html 031
Preslia @preslia.cz · 09/09/2025In Slovenian semi-dry grasslands, over half of species are clonal. Clonal traits vary with soil conditions and community type, highlighting the need for fine-scale habitat management to preserve species and functional diversity. preslia.cz/doi/preslia.2025.567.html 040
Preslia @preslia.cz · 05/09/2025Spatially uneven sampling of species occurrences can mislead biodiversity research. A new study of Czech flora by Klímová et al. reveals how different methods mitigate the distortions in the patterns of species richness. preslia.cz/doi/preslia.2025.541.html 0134
Preslia @preslia.cz · 29/08/20251,615 alien plant taxa now listed for Austria, +49% in 20 years! Mostly garden escapes or stowaways. The updated checklist includes origins, habitats, impacts, and is a key tool for invasion science and policy. preslia.cz/doi/preslia.2025.413.html 053
Preslia @preslia.cz · 28/08/2025🌿 Preslia 97(3) is almost here, bringing new insights into plant invasions, diversity and traits in Europe: 🔹 1615 neophyte taxa in Austria, nearly half since 2000, mostly garden escapes 🔹 Geological heterogeneity and land use history shape spatial patterns of species richness across the Czech flora 100
Preslia @preslia.cz · 14/07/2025Field surveys across Poland reveal that Neotinea ustulata survives mainly in dry, open grasslands on shallow soils. Habitat extremity, not conservation effort, emerges as the key to persistence of this rapidly declining orchid. preslia.cz/doi/preslia.2025.217.html 030
Preslia @preslia.cz · 14/07/2025A comprehensive survey reveals 61 bramble species in the Bohemian Forest, including 30 new regional records and 5 species new to science. The study highlights remarkable regional endemism and the role of human-made habitats in species distribution. 030
Preslia @preslia.cz · 24/06/2025Lakes in the Alps hide a surprising story: Alpine populations are genetically identical to the Nordic Ranunculus confervoides, yet show unexpected haplotype diversity and novel hybrids, revealing a complex evolutionary history. preslia.cz/doi/preslia.2025.191.html 041
Preslia @preslia.cz · 23/06/2025🌿 Coming soon: Preslia 97(2)! Highlights include: 🔹 Unexpected genetic richness and hybridization in aquatic Ranunculus reveals hidden diversity in Alpine lakes 🔹 Harsh habitats help: survival of Neotinea ustulata in Poland tied to dry, extreme grassland conditions 120
Preslia @preslia.cz · 06/03/2025Pulsatilla grandis is vanishing! A 19-year monitoring study in Czechia revealed a 20% population loss and a 25% decline in flowering individuals. Effective habitat management is crucial to reverse this trend and protect other endangered dry grassland species. 071
Preslia @preslia.cz · 05/03/2025Decline of the most beautiful Czech orchid, and spatial and temporal dynamics of 102 other species in another instalment of the series on the distribution of plants in the Czech Republic. preslia.cz/doi/preslia.2025.175.html 072
Preslia @preslia.cz · 03/03/2025Despite declining SO₂ emissions, acidifying air pollution still impacts epiphytic bryophyte communities in central Europe. Ash trees with higher bark pH hosted richer, more sensitive assemblages but were as affected by SO₂ as oaks. preslia.cz/doi/preslia.2025.157.html 031
Preslia @preslia.cz · 28/02/2025Cytogeography of almost 4800 individuals of aggressive invasive alien Solidago canadensis and S. gigantea in the Western Carpathians and adjacent regions. New cytotypes for invaded range, their probable origin and importance of correct taxonomic identification. preslia.cz/doi/preslia.2025.129.html 010
Preslia @preslia.cz · 27/02/2025Enigmatic Stipa epilosa from the Alps underwent morphometric, AFLP and microhabitat analyses. No genetic or ecological differences between S. eriocaulis and S. epilosa were found, and morphological variation formed a continuum. preslia.cz/doi/preslia.2025.175.html 010
Preslia @preslia.cz · 23/02/2025New issue (97/1) is going to be published! - Distributions of vascular plants in the Czech Republic (Kaplan et al.) - Assessing the future of Pulsatilla grandis (Tichý et al.) - Cytogeography of invasive Solidago in central Europe (Skokanová et al.) (cont. in 2/2) 130
Reposted by PresliaInstitute of Botany, Czech Academy of Sciences @ibotcz.bsky.social · 28/01/2025An international team led by our scientists discovered 43 new species of lichens for the Czech Republic, 12 completely new to science and 2 new genera. Combining environmental DNA data and taxonomic surveys accelerates the discovery of new species. More @preslia.cz www.preslia.cz/article/pdf?... 0125
Preslia @preslia.cz · 16/12/2024Expansive plants are native but behave similarly to alien invasive plants and can also have negative impacts. The first catalogue of the expansive flora of the Czech Republic includes 126 taxa, with the regions and habitats, where they spread. preslia.cz/doi/preslia.2024.299.html 1139
Reposted by PresliaMilan Chytrý @milanchytry.bsky.social · 13/12/2024Our new paper led by Irena Axmanová in @preslia.cz focuses on "expansive plant species", i.e. native plants that are increasing their abundance in the landscape or dominance in local communities. See more info in the thread by @krystofchytry.bsky.social 0266
Reposted by PresliaKryštof Chytrý @krystofchytry.bsky.social · 13/12/2024The first-ever list (or catalogue) of expansive species for the Czech Republic. 🌱 Including 126 species. More to read in the paper itself, led by Irena Axmanová and published in @preslia.cz. www.preslia.cz/article/view... 2163
Preslia @preslia.cz · 12/12/2024Urtica kioviensis is a rare species of river basins. Hybridization with the widespread U. dioica was confirmed at six sites in central Europe. It affects genetic integrity of U. kioviensis and can pose a risk to small populations of this species. preslia.cz/doi/preslia.2024.329.html #hybridization 050
Preslia @preslia.cz · 12/12/2024New issue (96/4) is out! - Catalogue of expansive plants in the Czech Republic (Axmanová et al.) - Urtica kioviensis threatened by hybridization (Urfus et al.) - Environmental DNA data and taxonomic surveys of lichens (Vondrák et al.) See more at www.preslia.cz #Botany #PlantScience #Evolutionpreslia.czPreslia - About the journal 052
Preslia @preslia.cz · 07/12/2024Gravel bars in the Elbe River host specific vegetation, incl. alien and endangered plants. The duration of flooding determines the vegetation, but not the seed bank composition. The seed bank acts as a reservoir, allowing regeneration after disturbance. preslia.cz/doi/preslia.... 020
Preslia @preslia.cz · 07/12/2024A botanical survey showed that the railway tracks host different aliens than the station surroundings. This indicates that the station surroundings are not stepping stones for the further spread of introduced species into the landscape. preslia.cz/doi/preslia.... 020
Preslia @preslia.cz · 07/12/2024Dactylorhiza baltica and D. ruthei are taxa of unclear taxonomic status. Both share a common evolutionary history and have a similar genetic background but maintain phenotypic distinctness. They deserve to be treated as separate taxa. preslia.cz/doi/preslia.... 010
Preslia @preslia.cz · 07/12/2024New overview of alien plants in Europe. A comprehensive compilation of national inventories has identified 7,335 alien vascular plants and outlined the remaining gaps in knowledge of Europe’s alien flora. @botzool.bsky.social #alienspecies preslia.cz/doi/preslia.... 020
Preslia @preslia.cz · 07/12/2024Preslia, a journal of the Czech Botanical Society, adheres to the principles for responsible publishing that promote a healthy publishing environment and supports the scientific community. See peeer.net/journals/ 032
Preslia @preslia.cz · 07/12/2024Functional traits mediate how species and communities respond to environmental gradients. In our study we focused on five dominant grasses in two grassland types. preslia.cz/doi/preslia.... 031
Preslia @preslia.cz · 07/12/2024Seasonal desiccation of mountain bog pools in the Ore Mts, Czech Republic, is caused by high summer temperatures and changing precipitation patterns. We have shown that this is a key stressing factor for desmid microbiota in phytobenthic communities. preslia.cz/doi/preslia.... 011
Preslia @preslia.cz · 07/12/2024Let off the leash: unusually high frequency of hybrids, emergence of new cytotypes, and introgressive hybridization discovered in Elymus wheatgrasses in White Carpathians Mts. preslia.cz/doi/preslia.... 010
Preslia @preslia.cz · 07/12/2024The city of Brno has the best-documented urban flora in the Czech Republic. Over an 11-yr period, we recorded 1,492 spontaneously occurring vascular plant taxa, including many endangered or alien. preslia.cz/doi/preslia.... @botzool.bsky.social 052
Preslia @preslia.cz · 07/12/2024Although springs are endangered habitats, their vegetation has not been consistently classified in Europe. New classification scheme and expert system were prepared by an international team based on an analysis of continental dataset of vegetation plots. preslia.cz/doi/preslia.... 021
Preslia @preslia.cz · 07/12/202412,000 years of human-vegetation interactions in central Europe: Pollen anthropogenic indicators were revisited using large-scale pollen and archaeological datasets. preslia.cz/doi/preslia.... 011
Preslia @preslia.cz · 07/12/2024Reference databases of DNA barcodes are prerequisites for molecular identification but they are still lacking for many groups of organisms. Martin7, a new DNA barcode database for European epiphytic lichens, the first one in lichenology, was established. preslia.cz/doi/preslia.... 021
Preslia @preslia.cz · 07/12/2024First direct evidence of the persistence of Rhododendron tomentosum in sandstone landscapes of northern Bohemia throughout the Holocene. This species is adapted to a specific habitat and requires long-term stability with repeated local forest disturbances. preslia.cz/doi/preslia.... 011
Preslia @preslia.cz · 07/12/2024A list of 190 salt-tolerant plants of central Europe with calculated salt index (1 to 9) indicating the salt preference is out now. Only 45 of them make up the group of obligate halophytes, species growing exclusively in natural saline environment. preslia.cz/doi/preslia.... 021
Preslia @preslia.cz · 07/12/2024Cytogeography of 1,159 individuals of Fallopia sect. Reynoutria, one of the most invasive alien plants, in the Western Carpathians and adjacent Pannonia. Rare aneuploid chromosome counts and evidence for a climatically determined distribution detected. preslia.cz/doi/preslia.... 021
Preslia @preslia.cz · 07/12/2024Threatened plant species occur in species-richer communities than non-threatened species on average. However, they occur across the entire richness gradient. For instance, threatened Sclerochloa dura grows in vegetation of very low species richness. preslia.cz/doi/preslia.... 031