Notocactus mammulosus var. brasiliensis Havlíček in Kaktusy (Brno) 16: 5. 1980
Notocactus mammulosus var. brasiliensis in Kaktusy (Brno) 16: 5. 1980
is basionym for Ritterocactus mammulosus subsp. brasiliensis in Sukkulenty 2(2): 22. 1999
is basionym for Parodia mammulosa subsp. brasiliensis in Cactaceae Consensus Init. 6: 11. 1998