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      The Discovery of the Rare Chara baueri (Charales, Charophyceae) in Serbia

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      Plants

      MDPI

      charophyta, Chara baueri, species ecology, species biogeography

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          Abstract

          Chara baueri is one of the rarest charophytes worldwide. It had been considered extinct in Europe for more than a century, from the 1870s to 2006, when it was rediscovered in Germany. The current distribution of this species is limited to a few localities in Europe (Germany, Poland and Russia), and one locality in Asia (Kazakhstan). We present a new finding of Chara baueri, to be a significant contribution to the species ecology and biogeography, and helping to review and update the current scarce knowledge. Chara baueri was discovered in Serbia and monitored for two vegetative seasons in 2018 and 2019, along with the associated macrophyte vegetation and water quality parameters. The morphology and ecology data of the species are presented comparatively with the literature data and the biogeography is critically reviewed. The population in Serbia is the first verified record of Chara baueri in southern Europe. Considering the recent findings and the knowledge accumulated in these records, Chara baueri was very possibly never extinct at all, but overlooked in Europe for the entire 20th century. We suggest that waterfowl migrating from the northern parts of Europe should be considered as the important spreading agent of Chara baueri in southern regions.

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          Most cited references 26

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            Species differentiation in the genusChara(Charophyceae): considerable phenotypic plasticity occurs within homogenous genetic groups

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              Comparative study of the oospore morphology of two populations of a rare species Chara baueri A. Braun in Cedynia (Poland) and Batzlow (Germany)

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                Author and article information

                Journal
                Plants (Basel)
                Plants (Basel)
                plants
                Plants
                MDPI
                2223-7747
                19 November 2020
                November 2020
                : 9
                : 11
                Affiliations
                Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Beograd, Serbia; b3026_2019@ 123456stud.bio.bg.ac.rs (V.M.); gsubak@ 123456bio.bg.ac.rs (G.S.S.)
                Author notes
                Article
                plants-09-01606
                10.3390/plants9111606
                7699172
                33227900
                © 2020 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

                Categories
                Communication

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