This paper presents new records and noteworthy data on the following taxa in SE Eu-rope and adjacent regions: red algae Hildenbrandia rivularis, saprotrophic fungus Cryp-tomarasmius corbariensis, lichenised fungi Lecanora stenotropa, Micarea misella and Sticta sylvatica, liverworts Fossombronia caespitiformis and Peltolepis quadrata, mosses Dicranoweisia cirrata and Fissidens exilis, horsetail Equisetum x moorei, gymnosperm Juniperus virginiana, monocots Galanthus reginae-olgae subsp. vernalis and Spiranthes spiralis and dicots Linaria pelisseriana, Parthenocissus quinquefolia, Pilosella rhodopea and Taraxacum erythrospermum are given within SE Europe and adjacent regions. new report, Cryptomarasmius corbariensis, Dicranoweisia cirrata, Equisetum x moorei, Fissidens exilis, Fossombronia caespitiformis, Galanthus reginae-olgae subsp, vernalis, Hildenbrandia rivularis, Juniperus virginiana, Lecanora stenotropa, Linaria pelisseriana, Micarea misella, Parthenocissus quinquefolia, Peltolepis quadrata, Pilosella rhodopea, Spiranthes spiralis, Sticta sylvatica, Taraxacum erythrospermum, SE Europe, RED LIST, FLORISTIC RECORDS, BALKANS, ERYTHROSPERMA, RHODOPHYTA, BRYOPHYTES, ASTERACEAE, FLORA