Cactus broadwayi Britton & Rose, Cactaceae 3: 229–230, f. 231, 236. 1922
Cactus broadwayi, Cactaceae 3: 229–230, f. 231, 236. 1922
is basionym for Melocactus broadwayi, Entwicklungslin. Kakt.: 103. 1926
is basionym for Melocactus intortus subsp. broadwayi in Atti Soc. Ital. Sci. Nat. Mus. Civico Storia Nat. Milano 147: 338. 2006