Xanthium echinatum subsp. italicum (Moretti) O. Bolòs & Vigo in Collect. Bot. (Barcelona) 17: 90. 1988
Xanthium echinatum subsp. italicum in Collect. Bot. (Barcelona) 17: 90. 1988
is new combination for Xanthium italicum in Giorn. Fis., ser. 2, 5: 326. 1822
Xanthium echinatum subsp. italicum in Collect. Bot. (Barcelona) 17: 90. 1988