Roseocactus fissurams Anhalonium engelmannii Anhalonium fissuratum Ariocarpus fissuratus var. lloydii Ariocarpus fissuratus subsp. lloydii Ariocarpus lloydii Ariocarpus lloydii var. mayor Ariocarpus fissuratus var. fissuratus Roseocactus intermedius Roseocactus fissuratus Ariocarpus fissuratus subsp. fissuratus Mammillaria fissurata Ariocarpus fissuratus subsp. pailanus Roseocactus lloydii
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024