Gymnocalycium anisitsii var. griseopallidum Gymnocalycium anisitsii subsp. multiproliferum Gymnocalycium anisitsii var. pseudomalacocarpus Gymnocalycium anisitsii var. tucavocense Gymnocalycium anisitsii subsp. volkeri Gymnocalycium damsii Gymnocalycium damsii var. boosii Gymnocalycium damsii var. centrispinum Gymnocalycium damsii var. multiproliferum Gymnocalycium damsii var. rotundulum Gymnocalycium damsii var. torulosum Gymnocalycium damsii var. torulosum Gymnocalycium damsii var. tucavocense Gymnocalycium griseopallidum Gymnocalycium marekiorum Gymnocalycium ponomarevae Gymnocalycium anisitsii subsp. anisitsii Gymnocalycium damsii var. centrispinum Gymnocalycium damsii var. rotundulum Echinocactus anisitsii Echinocactus damsii Gymnocalycium anisitsii subsp. damsii Gymnocalycium damsii subsp. evae
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024