Thelocactus hexaedrophorus var. lloydii (Britton & Rose) Kladiwa & Fittkau in Krainz, Kakteen 61: CVIII b. 1975
Thelocactus hexaedrophorus var. lloydii in Krainz, Kakteen 61: CVIII b. 1975
is new combination for Thelocactus lloydii, Cactaceae 4: 11. 1923