Abstract
The aim of this study is to present the updated list of rare and threatened vascular plant species in the Lublin province. The threatened species categories are presented according to the IUCN criteria. The regional list contains 408 species (that makes up 25% of the Lublin Region flora); 56 of which are considered critically endangered, 81 represent endangered species, 51 belong to the category of vulnerable species, and 49 are near threatened species, respectively. The presence of 37 species has not been confirmed and therefore they are listed as regionally extinct (RE). Of the total number of species, 134 are rare, but because the data about those species is insufficient, they have been classified as DD category (data deficient). The species of the genera: Alchemilla, Callitriche, Hieracium, Oenothera, Rosa, Rubus and Taraxacum have not been evaluated (NE category). Other species – those whose occurrence is doubtful and all neophytes were defined as not applicable (NA). The endangered taxa occur mostly in dry grasslands, deciduous forests, wetlands, and calcareous weed communities of cereal crops.
Highlights
S An increased rate of species extinction was observed in the second half of the 20th century [45]
One of the irst red list of plants in certain regions located within the Lublin province (Lublin Upland, Western Volhynia, Roztocze, Western Polesie and the area of the former Chełm province) was prepared in the 1990s by Kucharczyk & Wójciak [26, 27]
Dynamics of the natural processes and an increasing scientiic knowledge cause the red lists to be outdated in a short period of time and new, updated lists need to be prepared periodically
Summary
S An increased rate of species extinction was observed in the second half of the 20th century [45]. The aim of this study is to present an updated list of rare and threatened vascular plant species of the Lublin province. The list covered the area located within the borders of the administrative division of the Lublin province This area is very diverse in respect of geological structure, geomorphological features, types of soil and in consequence of its lora and vegetation. 2,500 vascular plant species in Poland [1, 32], from which about 1,600 have been reported from the Lublin Region [8]. Of this number, 408 species are listed in this paper.
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