Abstract
The paper presents new records for 18 vascular plant species from six Eurasian countries. Three taxa (Lepidium densiflorum, Stipa czerepanovii, Xanthium albinum) are reported from Kazakhstan, one (Ranunculus schmakovii) from Mongolia, three (Dianthus campestris, Ranunculus kauffmannii, Viola suavis) from Poland, five (Eragrostis amurensis, Linum catharticum, Ludwigia peploides subsp. stipulacea, Pyrethrum mikeschinii, Solidago canadensis) from Tajikistan, five (Clinopodium menthifolium, Juncus effusus, Mollugo cerviana, Poa sphondylodes, Vulpia myuros) from Russia, and one (Orobanche alba subsp. xanthostigma) from Georgia. Ten of the taxa presented (Clinopodium menthifolium, Dianthus campestris, Eragrostis amurensis, Juncus effusus, Lepidium densiflorum, Mollugo cerviana, Solidago canadensis, Viola suavis, Vulpia myuros and Xanthium albinum) are regarded as alien to the studied areas, whereas the remaining eight 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 occurring in a given country, as well as a list of localities recorded (often far from the previously known areas), are presented.
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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