Thelocactus hexaedrophorus subsp. lloydii (Britton & Rose) Kladiwa & Fittkau in: Krainz, H., Kakteen 61: CVIIIb. 1975.

Nomenclatural References

• person : Hans Werner Fittkau (1913-2002) Based on occurrence of standard abbreviation 'Fittkau' in the authors string.
• person : Joseph Nelson Rose (1862-1928) Based on occurrence of standard abbreviation 'Rose' in the authors string.
• person : Leo Kladiwa (1920-1987) Based on occurrence of standard abbreviation 'Kladiwa' in the authors string.
• person : Nathaniel Lord Britton (1859-1934) Based on occurrence of standard abbreviation 'Britton' in the authors string.
• database : The Plant List version 1.0, record: tro-50181385
• database : The Plant List version 1.1, record: tro-50181385