Non-native flora of Italy: Species distribution and threats

Gianniantonio Domina, Simonetta Peccenini, Pietro Medagli, Lucchese, Cagiotti, Barni, Del Guacchio, Prosser, Carli, Gubellini, Fascetti, Gabriele Galasso, Wilhalm, Conti, Pretto, Alessandro Alessandrini, Nicodemo G. Passalacqua, Celesti-Grapow, Maurizio Bovio, ViegiArrigoni, Poldini, Vidali, Blasi, Enrico Banfi, Mariacristina Villani, Giuseppe Brundu, Ignazio Camarda, Assini

Risultato della ricerca: Articlepeer review

112 Citazioni (Scopus)


In this paper, we provide an overview of the distribution and invasive status of non-native species in the Italian flora acrossits administrative regions, biogeographic regions and main land use types, and a synthesis of current knowledge on thethreats they pose within the country. The information on non-native plant species collected during the project “A surveyof the non-native Italian flora” was used to compile comprehensive regional and national databases. The number of nonnativespecies within a given administrative region increases in proportion to its size, resident population density andlatitude, reaching the highest values in the intensively cultivated, heavily industrialized and urbanized Po Plain in northernItaly. The number of casual species is positively correlated with the number of yearly visitors in each region and negativelycorrelated with the proportion of mountainous terrain within the region. If compared with the Continental andMediterranean biogeographic regions, the Alpine region yields the lowest number of non-native species and lowestproportion of casual species. The number and density of introduced species is highest in artificial land use types,particularly in urban areas. A negative impact is reported to be exerted by 203 species, most of which are agricultural weeds.
Lingua originaleEnglish
pagine (da-a)12-28
Numero di pagine17
RivistaPlant Biosystems
Stato di pubblicazionePublished - 2010

All Science Journal Classification (ASJC) codes

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