Notocactus erythracanthus H.Schloss. & Brederoo in Kakteen And. Sukk. 36: 189. 1985
Notocactus erythracanthus in Kakteen And. Sukk. 36: 189. 1985
is basionym for Notocactus mammulosus subsp. erythracanthus in Cact.-Avent. Int. 98(Suppl.): 7. 2013
is basionym for Parodia mammulosa subsp. erythracantha in Cactaceae Consensus Init. 6: 11. 1998
is basionym for Notocactus mammulosus var. erythracanthus in Internoto 25: 109. 2004
is basionym for Ritterocactus mammulosus subsp. erythracanthus in Sukkulenty 2(2): 22. 1999