Abstract An updated checklist of the Calabrian alien vascular flora is presented. By way field, bibliographic, and herbarium research, we recorded 382 taxa (representing almost 14% all regional flora), which 371 are angiosperms, nine gymnosperms, two ferns. In relation to state spread, majority species casual (207 taxa; 54%), followed by naturalized (127; 33%) invasive (48; 13%), these last inc...