Ferocactus pilosus (Galeotti ex Salm-Dyck) Werderm., Repert. Spec. Nov. Regni Veg. Sonderbeih. C. t. 72. 1933 sec. Hunt 2016
- ≡Echinocactus pilosus Galeotti ex Salm-Dyck, Cact. hort. dyck., ed. 3: 148. 1850 syn. sec. Guzmán & al. 2003
- =Echinocactus stainesii Hook. in Rev. hort. 6: 248. 1845 syn. sec. Guzmán & al. 2003
- =Echinocactus piliferus Lem. ex C. Ehrenb. in Allg. Gartenzeitung 16: 268. 1848 syn. sec. Guzmán & al. 2003
- =Echinocactus pilosus var. stainesii Salm-Dyck, Cact. hort. dyck., ed. 3: 149. 1850 syn. sec. Guzmán & al. 2003
- =Echinocactus pilosus var. pringlei J.M. Coult. in Contr. U.S. Natl. Herb. 3: 365. 1896 syn. sec. Guzmán & al. 2003
- =Echinocactus pringlei (J.M. Coult.) Rose in Contr. U.S. Natl. Herb. 10: 127. 1906 syn. sec. Guzmán & al. 2003
- =Ferocactus pringlei (J.M. Coult.) Britton & Rose, Cactaceae (Britton & Rose) 3: 125. 1922 syn. sec. Guzmán & al. 2003
- =Ferocactus stainesii (Hook.) Britton & Rose, Cactaceae (Britton & Rose) 3: 124. 1922 syn. sec. Guzmán & al. 2003
- =Echinocactus pilosus f. flavispinus hort. ex Schelle, Kakteen (Tübingen): 188. 1926 syn. sec. Guzmán & al. 2003
- =Ferocactus stainesii var. pilosus (Galeotti ex Salm-Dyck) Backeb., Cactaceae (Backeberg) 5: 2701. 1961 syn. sec. Guzmán & al. 2003
- =Ferocactus stainesii var. pringlei (J.M. Coult.) Backeb., Cactaceae (Backeberg) 5: 2701. 1961 syn. sec. Guzmán & al. 2003
- =Ferocactus piliferus (Lem. ex C. Ehrenb.) G. Unger in Kakteen And. Sukk. 37: 45. 1986 syn. sec. Guzmán & al. 2003
- =Ferocactus piliferus f. flavispinus (hort. ex Schelle) G. Unger in Kakteen And. Sukk. 37: 45. 1986 syn. sec. Guzmán & al. 2003
- =Ferocactus piliferus var. stainesii (Salm-Dyck) G. Unger in Kakteen And. Sukk. 37: 45. 1986 syn. sec. Guzmán & al. 2003