Parodia linkii
Parodia linkii in Cact. Succ. J. (Los Angeles) 67(1): 22. 1995 sec. Anceschi & Magli 2018
- ≡Cactus linkii in Sem. Hort. Bot. Hamburg.: 16. 1827 syn. sec. Anceschi & Magli 2018
- ≡Cereus linkii, Enum. Diagn. Cact.: 48. 1837 syn. sec. Kew WCVP (2019)
- ≡Echinocactus linkii, Enum. Diagn. Cact.: 48. 1837 syn. sec. Anceschi & Magli 2018
- ≡Malacocarpus linkii, Cactaceae 3: 195. 1922 syn. sec. Anceschi & Magli 2018
- ≡Notocactus ottonis var. linkii, Cacti, ed. 1: 261. 1937 syn. sec. Kew WCVP (2019)
- ≡Notocactus linkii in Cactus (Paris) 42: 120. 1954 syn. sec. Anceschi & Magli 2018
- ≡Peronocactus linkii in Sukkulenty 2(2): 21. 1999 syn. sec. Anceschi & Magli 2018
- =Echinocactus megapotamicus in Anales Mus. Hist. Nat. Montevideo, ser. 2, 5(1): 72. 1941 syn. sec. Anceschi & Magli 2018
- ≡Notocactus megapotamicus in Revista Sudamer. Bot. 7: 73–74. 1942 syn. sec. Anceschi & Magli 2018
- ≡Notocactus ottonis var. megapotamicus in Succulenta (Netherlands) 1957: 108. 1957 syn. sec. Kew WCVP (2019)
- =Notocactus ottonis var. multiflorus in Succulenta (Netherlands) 1957: 105. 1957 syn. sec. Kew WCVP (2019)
- ≡Notocactus linkii f. multiflorus, Kakteen Südamerika 1: 172. 1979 syn. sec. Kew WCVP (2019)
- ≡Notocactus megapotamicus f. multiflorus in Repert. Pl. Succ. 44: 13. 1993 syn. sec. IPNI 2000+
- =Notocactus linkii var. flavispinus in Kakteen And. Sukk. 29: 27. 1978 syn. sec. Kew WCVP (2019)
- ≡Notocactus megapotamicus var. flavispinus in Kakteen And. Sukk. 43(1): 21. 1992 syn. sec. Kew WCVP (2019)
- =Notocactus megapotamicus var. alacriportanus, Kakteen Südamerika 1: 175. 1979 syn. sec. Kew WCVP (2019)
- =Notocactus megapotamicus var. crucicentrus, Kakteen Südamerika 1: 176. 1979 syn. sec. Kew WCVP (2019)
- =Notocactus linkii var. albispinus in Succulenta (Netherlands) 69: 117. 1990 syn. sec. Kew WCVP (2019)