Nuovi dati sulla flora vascolare aliena della Campania (Sud Italia)

New data about the distribution of 86 alien species occurring in Campania region are presented. Vachellia karroo (Hayne) Banfi & Galasso is recorded for the first time, while Nicandra physalodes (L.) Gaertn. is confirmed for the region. For Rumex cristatus DC. Subsp. cristatus is specified the subspecies. Quercus ithaburensis Decne. Subsp. macrolepis (Kotschy) Hedge & Yalt. is excluded from the regional flora. Field surveys and literature studies led to the update of the status of naturalization concerning the following species: Broussonetia papyrifera (L.) Vent. (naturalized), Cyperus alternifolius L. Subsp. flabelliformis Kük. (casual), Eclipta prostrata (L.) L. (casual), Euphorbia nutans Lag. (casual), Ipomoea purpurea (L.) Roth (casual), Oenothera stucchii Soldano (naturalized), Paspalum distichum L. (invasive), Plumbago auriculata Lam. (casual), Setaria parviflora (Poir.) Kerguélen (naturalized), Solanum bonariense L. (casual)