Sclerocactus unguispinus var. durangensis (Runge) N.P.Taylor in Bradleya 5: 94. 1987.

Nomenclatural References

• literature : Hunt, D., & Taylor, N. (1987). New and unfamiliar names of Cactaceae to be used in the European Garden Flora. Bradleya, 5(5), 91–94. https://doi.org/10.25223/brad.n5.1987.a5 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : C. Runge Based on occurrence of standard abbreviation 'Runge' in the authors string.
• person : Nigel Paul Taylor (b.1956) Based on occurrence of standard abbreviation 'N.P.Taylor' in the authors string.
• database : The Plant List version 1.0, record: tro-50335311
• database : The Plant List version 1.1, record: tro-50335311