New floristic data of vascular plants from central Italy

Based on field, herbarium and bibliographic research, we report distributional data for 21 species subspecies (11 natives included 1 regional alien cryptogenic, 10 aliens) whose presence has been ascertained some administrative regions of central Italy. In particular, taxa are new or confirmed to Abruzzo, 7 Umbria, 2 Lazio, Marche. Some particularly interesting from a phytogeographical conservational point view. Specifically, Astragalus exscapus Salix pentandra very rare in The findings Erythronium dens-canis Thesium alpinum, Umbria Lazio respectively, represent the southernmost limits their Italian distribution.