Thelocactus lloydii Britton & Rose, Cactaceae 4: 11. 1923
Thelocactus lloydii, Cactaceae 4: 11. 1923
is basionym for Thelocactus hexaedrophorus subsp. lloydii in Krainz, Kakteen 61: CVIIIb. 1975
is basionym for Thelocactus hexaedrophorus var. lloydii in Krainz, Kakteen 61: CVIII b. 1975