Centaurea polyacantha Willd., Sp. Pl. 3: 2312 (1803) Centaurea polyacantha var. genuina Maire in Bull. Soc. Hist. Nat. Afrique N. 20: 27 (1929), nom. inval. Calcitrapoides polyacantha (Willd.) Holub in Folia Geobot. Phytotax. 8: 170 (1973) Seridia polyacantha (Willd.) Sweet, Hort. Brit. 218 (1826) Centaurea sphaerocephala subsp. polyacantha (Willd.) Dostál in Bot. J. Linn. Soc. 71: 203 (1976) Centaurea sphaerocephala var. polyacantha (Willd.) Rivas Mart. in Itinera Geobot. 15: 699 (2002) Centaurea polyacantha f. abdiphylla Pau , in sched., nom. nud. Centaurea polyacantha f. colorata Maire in Bull. Soc. Hist. Nat. Afrique N. 29: 426 (1938) Centaurea polyacantha f. pallida Maire in Bull. Soc. Hist. Nat. Afrique N. 29: 426 (1938) Centaurea polyacantha var. adpressa Maire in Bull. Soc. Hist. Nat. Afrique N. 20: 27 (1929) Centaurea polyacantha var. nutans A. Bolòs , in sched., nom. nud. Centaurea sphaerocephala sensu Talavera in Valdés, Talavera & Galiano (eds.), Fl. AndalucÃa Occid. 3: 153 (1987), non L.
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