Mammillaria hutchisoniana var. bullardiana (H.E.Gates) Repp. Gattung Mammill. nach dem Heutigen Stand Meines Wissens: 134. 1991.

Nomenclatural References

• person : Howard Elliott Gates (1895-1957) Based on occurrence of standard abbreviation 'H.E.Gates' in the authors string.
• person : Werner Reppenhagen (1911-1996) Based on occurrence of standard abbreviation 'Repp.' in the authors string.
• database : The Plant List version 1.0, record: tro-50198488
• database : The Plant List version 1.1, record: tro-50198488