Melocactus diersianus f. rubrispinus (F.Ritter) P.J.Braun in Bradleya 6: 94. 1988.

Nomenclatural References

• literature : Braun, P. J. (1988). On the taxonomy of Brazilian Cereeae (Cactaceae). Bradleya, 6(6), 85–99. https://doi.org/10.25223/brad.n6.1988.a4 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Friedrich Ritter (1898-1989) Based on occurrence of standard abbreviation 'F.Ritter' in the authors string.
• person : Pierre Josef Braun (b.1959) Based on occurrence of standard abbreviation 'P.J.Braun' in the authors string.