Notocactus paulus H.Schloss. & Brederoo in Kakteen And. Sukk. 31: 116. 1980
Notocactus paulus in Kakteen And. Sukk. 31: 116. 1980
is basionym for Notocactus mammulosus var. paulus in Internoto 25: 111. 2004
Notocactus paulus in Kakteen And. Sukk. 31: 116. 1980
Taxon for this name