Additions to the flora of the Republic of Mordovia

The beginning of the article provides brief information about the history of floristic research in Mordovia. It contains materials on two new species for the flora of Mordovia ( Chenopodium betaceum and Veronica peregrina), as well as on new locations of 17 rare plants ( Anemone sylvestris , Artemisia armeniaca , A. latifolia , A. pontica , Aster amellus , Bupleurum falcatum , Cypripedium calceolus , Galatella angustissima , Hieracium virosum , Melica transsilvanica , Najas major , Salix myrtilloides , Spiraea crenata , Stipa sareptana , S. tirsa , Trapa natans , Verbascum phoeniceum ) included in the Red Book of the Republic of Mordovia. Among them are plants with different rarity statuses: 1 (endangered species) - 3, 2 (vulnerable species) - 14. The need to protect the habitats of rare species is emphasized. The research also revealed the locations of 7 species that are not included in the Red List of Indigenous and Foreign, but complement the flora of municipal areas and the urban flora of Insar, Krasnoslobodsk and Saransk.