Gymnocalycium denudatum
Gymnocalycium denudatum, Taschenb. Cactuslieb. 2: 124. 1844 sec. Charles 20091 wfo-0000712444
- ≡Echinocactus denudatus, Icon. Pl. Rar.: 17. 1828 syn. sec. Charles 20091 wfo-0000660329
- ≡Cereus denudatus, Enum. Diagn. Cact.: 73. 1837 syn. sec. Charles 20091 wfo-0000597023
- Lectotype (designated by Hunt & Taylor 2006: 82): [icon] plate 9 in Link & Otto, Icon. Pl. Rar.: 17. 1828 ()
- =Echinocactus denudatus var. intermedius in Gart.-Zeitung (Berlin) 4: 479. 1885 syn. sec. Kew 20193 wfo-0000660343
- ≡Echinocactus intermedius, Handb. Kakteenkult.: 186. 1907 syn. sec. Kew 20193 wfo-0000660565
- ≡Gymnocalycium ×intermedium in Cact. Phantast. 2019(3)-1: 2. 2019 syn. sec. ??? wfo-0001302970
- =Echinocactus denudatus var. octogonus, Fl. Bras. 4(2): 248. 1890 syn. sec. Kew 20194 wfo-0000660347
- ≡Echinocactus denudatus f. octogonus, Handb. Kakteenkult.: 190. 1907 syn. sec. Britton & Rose 19225 wfo-0000660348
- =Echinocactus megalothelon, Gesamtbeschr. Kakt.: 415. 1897–1899 syn. sec. Charles 20096 wfo-0000660667
- ≡Gymnocalycium megalothelon, Cactaceae 3: 162. 1922 syn. sec. Charles 20096 wfo-0000712532
- =Echinocactus denudatus var. delaetianus in Monatsschr. Kakteenk. 8: 36. 1898 syn. sec. Britton & Rose 19227 wfo-0000660337
- ≡Echinocactus denudatus f. delaetianus, Handb. Kakteenkult.: 189. 1907 syn. sec. Britton & Rose 19227 wfo-0000660338
- =Echinocactus denudatus var. leheideliana in Cact. J. (London) 1: 90. 1898 syn. sec. WFO 20198 wfo-0000660344
- =Gymnocalycium denudatum subsp. necopinum in Gymnocalycium 17: 575. 2004 syn. sec. Kew 20199 wfo-0001431052
- =Gymnocalycium megalothelon subsp. prestleanum in Gymnocalycium 18: 625. 2005 syn. sec. Kew 201910 wfo-0001431070
- –Echinocactus denudatus var. typica, Fl. Bras. 4(2): 248. 1890, nom. inval. syn. sec. Kew 201911 wfo-0001430621