Gymnocalycium gibbosum subsp. borthii
Gymnocalycium gibbosum subsp. borthii in Cactaceae Syst. Init. 20: 18. 2005 sec. Charles 20091
- ≡Gymnocalycium borthii in Kakteen And. Sukk. 38(8): 191. 1987 syn. sec. Charles 20091
- –Gymnocalycium borthii in Kakteen And. Sukk. 27(2): 25. 1976, nom. inval., syn. sec. ???2,3
- Type: Argentina, San Luis, Quines, alt. 600 – 800 m, H. Borth 55 (WU)
- 1. Charles, G. 2009: Gymnocalycium in habitat and culture. – Stamford: Published by the author, 2. no details of type specimen given, 3. IPNI 2000+: International Plant Names Index. – The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries and Australian National Botanic Gardens – http://www.ipni.org: 8 sept 2020
- =Gymnocalycium striglianum subsp. aeneum in Cactus & Co. 10: 74. 2006 syn. sec. Metzing 20214
- 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. http://doi.org/10.3372/wi.51.51208
- =Gymnocalycium borthii subsp. kokori in Acta Mus. Richnov., Sect. Nat., 14(4): 96. 2007 syn. sec. Kew WCVP (2019)5
- =Gymnocalycium borthii subsp. nogolense in Gymnocalycium 20: 701. 2007 syn. sec. Charles 20096
- =Gymnocalycium borthii var. viridis in Gymnocalycium 20: 705. 2007 syn. sec. Kew WCVP (2019)7