Th e fi rst part of the newly launched series includes miscellaneous new records from fungi to vascular plants. New Th e present paper includes also the revision of the occurrence of Calamag rostis villosa in Hungary and concludes that it has been extinct in the country.
Jelen közleményünk annak a sorozatnak az ötödik része, melynek célja a Magyarország edényes növényfajainak elterjedési atlasza térképeinek kiegészítése, főként aktuális előfordulási adatokkal. A dolgozat 66 kvadrátban 360 edényes taxon elterjedési adatait pontosítja. Az adatok többsége a Dél-Dunántúlról származik, ahol 6 kvadrát a szisztematikus felméréseknek köszönhetően 30-nál is több fajjal egészült ki. A felsorolt taxonok döntő része gyakori, sokszor gyom jellegű elem, néhányuk azonban hazánkban ritka (pl. Anchusa azurea, Centunculus minimus, Euphorbia stricta, Hypericum humifusum, Sagina apetala), olykor védett növény (pl. Asplenium adiantum-nigrum, Dryopteris affinis, Festuca dalmatica, Gymnocarpium dryopteris, Urtica kioviensis).
For 37 species that have been without recent data and therefore listed in the categories regionally extinct (RE) and data defi cient (DD, DD-va), new occurrences have been detected. Th ese are documented with precise localities, date of collection, collectors, herbarium specimens, associated bryophytes, and taxonomic annotations where appropriate. Some are also illustrated by photographs, and for three of them we include distribution maps. According to the present state of knowledge and IUCN criteria, of these 37 species 10 are critically endangered, 14 are endangered, 2 are vulnerable and 5 are near threatened. In spite of the new occurrences, 6 species are rated data defi cient (DD).
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