Gymnocalycium erinaceum
Gymnocalycium erinaceum in Succulenta (Netherlands) 64(3): 66. 1985 sec. Charles 20091 wfo-0000712447
- =Gymnocalycium erinaceum var. paucisquamosum in Gymnos 11(21): 14. 1994 syn. sec. Kew 20192 wfo-0000712448
- =Gymnocalycium gaponii in Gymnocalycium 14: 410. 2001 syn. sec. Hunt 20163 wfo-0000712463
- ≡Gymnocalycium capillense var. gaponii in Cactaceae Syst. Init. 25: 116. 2015 syn. sec. Kew 20194 wfo-0001431047
- =Gymnocalycium papschii in Gymnocalycium 14: 407. 2001 syn. sec. Metzing 20215 wfo-0000712600
- ≡Gymnocalycium bruchii var. papschii in Cactaceae Syst. Init. 25: 116. 2015 syn. sec. Metzing 20215 wfo-0001431045
- 5. 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 gaponii subsp. geyeri in Gymnocalycium 21: 752. 2008 syn. sec. Charles 20096 wfo-0000509435
- =Gymnocalycium pinalii in Schütziana 7: 4. 2016 syn. sec. Metzing 20217 wfo-0001431092
- 7. 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 gaponii subsp. macrocarpum in Gymnocalycium 32: 1306. 2019 syn. sec. Metzing 20218 wfo-0001434808
- 8. 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