EN
The actual flora of the small nature reserve Brzeźnik (3.24 ha) comprises 60 taxa. Eight species are fully protected by Polish law: Erica tetralix (the easternmost locality in the Bory Dolnośląskie forest), Drosera rotundifolia, Dactylorhiza fuchsii, Ledum palustre, and 4 Sphagnum species (Sph. papillosum, Sph. fallax, Sph. angustifolium, Sph. teres). Additionally, there are found 10 taxa here (including hybrids) which are endangered or rare in Poland or/and Lower Silesia (including DD category): Dryopteris cristata, Eriophorum vaginatum, Juncus acutiflorus, J. alpinoarticulatus, J. bulbosus, J. ×langii, Oxycoccus palustris, Rhynchospora alba, Vaccinium uliginosum, Viola palustris × epipsila. On the other hand 2 fully protected species are not confirmed here: Drosera intermedia and Carex limosa. Twenty five species are new for the reserve (never recorded before). The paper describes the nature reserve in detail and examines the possible causes of changes in its flora, and also assesses the potential risks for the future.