Cleistocactus parviflorus (K.Schum.) Rol.-Goss. in Bull. Soc. Centr. Agric. Hort. Acclim. Nice 44: 32. 1904 sec. Kiesling & al. 2014
- ≡Cereus parviflorus K.Schum., Gesamtbeschr. Kakt.: 100. 1897–1899 syn. sec. Kiesling & al. 2014
- ≡Echinopsis parviflora (K.Schum.) Anceschi & Magli in Cactusinhabitat S. Amer. 2011/2013: 39. 2013 syn. sec. Kiesling & al. 2014
- =Cereus areolatus Muehlenpf. ex K.Schum., Gesamtbeschr. Kakt.: 100, fig. 20. 1897–1899 syn. sec. Kew WCVP (2019)
- =Cleistocactus areolatus Riccob. in Boll. Reale Orto Bot. Palermo 8: 264. 1909 syn. sec. Kiesling & al. 2014
- =Cleistocactus herzogianus Backeb. in Blätt. Kakteenf. 1934(6): 4. 1934 syn. sec. Kiesling & al. 2014
- ≡Cleistocactus areolatus var. herzogianus (Backeb.) Backeb., Cactaceae 2: 1005. 1959 syn. sec. Kiesling & al. 2014
- ≡Cleistocactus parviflorus var. herzogianus (Backeb.) Backeb., Descr. Cact. Nov. 3: 5. 1963 syn. sec. Kiesling & al. 2014
- =Cleistocactus fusiflorus Cárdenas in Cactus (Paris) 57: 252. 1957 syn. sec. Kiesling & al. 2014
- =Cleistocactus parviflorus var. aiquilensis F.Ritter in Kakteen And. Sukk. 14: 104. 1963 syn. sec. Kew WCVP (2019)