Abstract
The paper presents new records for 20 vascular plant species from 13 Eurasian countries. Four taxa (Calamagrostis sichuanensis, Klasea dissecta, Ptilagrostis milleri and Stipa klimesii) are reported from China, four (Aconogonon valerii, Carex siderosticta, Poa tanfiljewii and Potamogeton × subobtusus) from Russia, three (Amorpha fruticosa, Carduus acanthoides and Plantago minuta) from Tajikistan, two (Achillea sergievskiana and Delphinium barlykense) from Kazakhstan, one (Calamagrostis effusiflora) from Bhutan and India, one (Campanula wolgensis) from Mongolia, one (Orobanche coerulescens) from Georgia, two (Dysphania geoffreyi and Ptilagrostis milleri) from Nepal, one (Stipa × alaica) from Afghanistan, one (Stipa × manrakica) from Kyrgyzstan, one (Ranunculus × gluckii) from Poland and one (Sporobolus cryptandrus) from Italy. Four of the taxa presented (Amorpha fruticosa, Carduus acanthoides, Carex siderosticta and Sporolobus cryptandrus) are regarded as alien to the studied areas, whereas the remaining 16 are native elements to the flora of the countries. For each species synonyms, general distribution, habitat preferences, taxonomy with remarks on recognition and differentiation of the species from the most similar taxa occurring in a given country, as well as a list of recorded localities (often far from the previously known areas) are presented. Based on the spikelet morphology, we have proposed in Ptilagrostis a new section Barkworthia M. Nobis, A. Nobis & A. Nowak, which comprises two species Ptilagrostis yadongensis and Ptilagrostris milleri, with distinctly unequal glumes, lemmas and paleas.
Highlights
During the field exploration across the vast area of European and Asian countries, as well as during taxonomic revisions of herbarium material of different groups of vascular plants, we found some species which are new to the floras of particular countries or its significant regions
The purpose of this paper is to report new records for 39 vascular plant species from eight Eurasian countries
Taxonomic notes The concept of Aniselytron Merrill proposed by Korthof and Veldkamp (1984), comprising two species (Aniselytron agrostoides (Kuntze) Soják and Aniselytron treutleri Merrill), is usually used in some floristic treatments and checklists in southeast Asia [Hsu et al, 2000; Kress et al, 2003; Lu and Phillips, 2006]
Summary
It might seem that good knowledge on the general distribution of vascular plants has been attained. The present paper is dedicated to new national and regional vascular plant records, to broad our knowledge on their distribution and taxonomy. During the field exploration across the vast area of European and Asian countries, as well as during taxonomic revisions of herbarium material of different groups of vascular plants, we found some species which are new to the floras of particular countries or its significant regions (provinces or republics). The purpose of this paper is to report new records for 39 vascular plant species from eight Eurasian countries. This work aims to contribute to a better understanding of spreading directions of particular vascular plants as well as species composition of selected countries and/or geographical regions of Eurasia
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