Notocactus sessiliflorus f. tetracanthus (Lem.) Neduchal in Minimus 30: 33. 1999
Notocactus sessiliflorus f. tetracanthus in Minimus 30: 33. 1999
is new combination for Echinocactus tetracanthus, Cact. Aliq. Nov.: 15. 1838
Notocactus sessiliflorus f. tetracanthus in Minimus 30: 33. 1999
Taxon for this name