Cactus recurvus Mill., Gard. Dict., ed. 8. 1768
Cactus recurvus, Gard. Dict., ed. 8. 1768
is basionym for Echinocactus recurvus in Verh. Vereins Beförd. Gartenbaues Königl. Preuss. Staaten 3: 426. 1827
is basionym for Echinofossulocactus recurvus in Gard. Mag. (London) 17: 318. 1841
is basionym for Ferocactus recurvus, Cacti, ed. 1: 231. 1937