Taxon - Odkazy a literatura
poddruh
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 [jako Gymnocalycium marsoneri subsp. matoense (Buining & Brederoo) P.J.Braun & Esteves]
Datum citace: 30. leden 2025
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [jako Gymnocalycium megatae Y. Itô]Datum citace: 19. září 2019