Xanthium cavanillesii Schouw in Ann. Sci. Nat., Bot. 12: 357. 1849
Xanthium cavanillesii in Ann. Sci. Nat., Bot. 12: 357. 1849
is basionym for Xanthium strumarium subsp. cavanillesii in Canad. J. Bot. 37: 205. 1959
has orthographic variant Xanthium cavallinesii
Xanthium cavanillesii in Ann. Sci. Nat., Bot. 12: 357. 1849