Article

Specimens of personal collecting and Herbaria exsiccata (AO, APP, CLU, FI, HBBS, HLUC, IS, MSNM, PESA, RO, ROV, TOHP, UTV) were analyzed to update the distribution of the genus Rosa in Italy. Some units are new to Piemonte, Lombardia, Veneto, Liguria, EmiliaRomagna, Toscana, Umbria, Marche, Molise, Campania, Puglia, Basilicata, Calabria, Sardegna. Rosa marginata Wallr. collected in Piemonte and Liguria in the last century, is nowadays cultivated ex situ in the Rome Botanical Garden. Rosa abietina and R. sicula were recorded by mistake for Toscana and Puglia respectively. The rarest species: Rosa stylosa, Rosa sherardii and Rosa viscosa are recorded only for Lazio, Piemonte and Calabria respectively. Exsiccata of the alpine species Rosa abietina, Rosa uriensis and Rosa rhaetica are preserved in the Herbaria of the Natural Museums of Bergamo and Brescia.