Xanthium italicum Moretti in Giorn. Fis., ser. 2, 5: 326. 1822
Xanthium italicum in Giorn. Fis., ser. 2, 5: 326. 1822
is basionym for Xanthium echinatum subsp. italicum in Collect. Bot. (Barcelona) 17: 90. 1988
is basionym for Xanthium orientale subsp. italicum in Willdenowia 33: 249. 2003
is basionym for Xanthium strumarium subsp. italicum in Bot. J. Linn. Soc. 71: 271. 1976
is basionym for Xanthium saccharatum subsp. italicum in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 613. 1931
Xanthium italicum in Giorn. Fis., ser. 2, 5: 326. 1822