Acanthus spinosus subsp. spinosissimus (Pers.) Zangh., Fl. Ital. 1: 626. 1976
Acanthus spinosus subsp. spinosissimus, Fl. Ital. 1: 626. 1976
is new combination for Acanthus spinosissimus, Syn. Pl. 2: 179. 1806
Acanthus spinosus subsp. spinosissimus, Fl. Ital. 1: 626. 1976