Gymnocalycium pflanzii subsp. argentinense
Gymnocalycium pflanzii subsp. argentinense in Kakteen And. Sukk. 39: 277. 1988 sec. Kiesling & al. 20141
- –Gymnocalycium marquezii var. argentinense, Kakteenlex.: 169. 1966, nom. inval., syn. sec. Metzing 20212
- 2. 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