Gymnocalycium angelae
Gymnocalycium angelae in Kakteen And. Sukk. 49: 287. 1998 sec. Metzing 20211
- ≡Gymnocalycium denudatum subsp. angelae in Gymnocalycium 17: 577. 2004 syn. sec. Metzing 20211
- 1. 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