Frailea alexandri Metzing Bradleya 24: 124–121, 123, 125, f. 8–10, 12, 13a–c. 2006.

Nomenclatural References

• literature : Metzing, D., & Kiesling, R. (2006). Notes on the diversity, biology, and taxonomy of Frailea (Cactaceae). Bradleya, 24(24), 115–128. https://doi.org/10.25223/brad.n24.2006.a13 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Detlev Metzing (b.1960) Based on occurrence of standard abbreviation 'Metzing' in the authors string.
• database : The Plant List version 1.0, record: kew-2604492
• database : The Plant List version 1.1, record: kew-2604492