Gymnocalycium reductum
Gymnocalycium reductum, Taschenb. Cactuslieb. 2: 124. 1844 sec. Charles 20091 wfo-0000712642
- ≡Cactus reductus, Enum. Hort. Berol. Alt. 2: 21. 1822 syn. sec. Charles 20091 wfo-0000578168
- ≡Cereus reductus, Prodr. 3: 463. 1828 syn. sec. Charles 20091 wfo-0000597585
- –Gymnocalycium reductum, Abbild. Beschr. Cact. 2: pl. 12. 1846, nom. inval. syn. sec. ??? wfo-00012627942
- =Echinocactus reductus in Monatsschr. Kakteenk. 5: 107. 1895 syn. sec. Metzing 20213 wfo-0000660867
- 3. Metzing, D. 2021: Revisions of Frailea, Gymnocalycium and various other genera. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. https://doi.org/10.3372/wi.51.51208
- =Echinocactus fennellii, Gesamtbeschr. Kakt.: 409. 1897–1899 syn. sec. Metzing 20214 wfo-0001288435
- ≡Echinocactus gibbosus var. fennellii in Monatsschr. Kakteenk. 9: 115. 1899 syn. sec. Metzing 20214 wfo-0000660444
- ≡Echinocactus gibbosus f. fennellii, Handb. Kakteenkult.: 186. 1907 syn. sec. Metzing 20214 wfo-0000660445
- 4. Metzing, D. 2021: Revisions of Frailea, Gymnocalycium and various other genera. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. https://doi.org/10.3372/wi.51.51208
- =Gymnocalycium sibalii in Acta Mus. Richnov., Sect. Nat., 13: 7. 2006 syn. sec. Kew 20195 wfo-0000507372
- ≡Gymnocalycium reductum subsp. sibalii in Gymnocalycium 21: 758. 2008 syn. sec. Kew 20195 wfo-0000509452