Taxon - Links and literature
subspecies
Gymnocalycium marsoneri subsp. matoense (Buining & Brederoo) P.J. Braun & Esteves
Kew Science - Plants of the World online 2024-05 [1030016-2]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [as Gymnocalycium marsoneri subsp. matoense (Buining & Brederoo) P.J.Braun & Esteves]
Data retrieved on: 30 January 2025
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Gymnocalycium megatae Y. Itô]Data retrieved on: 19 September 2019