Oroya borchersii (Boed.) Backeb. in Sitzungsber. Heidelberger Akad. Wiss., Math.-Naturwiss. Kl.: 487. 1958 sec. Hunt 2006
- ≡Echinocactus borchersii Boed. in Kakteenkunde 1933: 112. 1933 syn. sec. Hunt 2006
- Lectotype (designated by Hunt, D.R. & Taylor, N. P. 2006: 9): [illustration] the photograph accompanying the protologue in Bödecker in Kakteenkunde 1933: 112. 1933
- =Oroya borchersii var. fuscata Rauh & Backeb. in Sitzungsber. Heidelberger Akad. Wiss., Math.-Naturwiss. Kl.: 489. 1958 syn. sec. Brako & Zarucchi 1993
- ≡Oroya borchersii f. fuscata (Rauh & Backeb.) Krainz, Kakteen 23: C Vb. 1963 syn. sec. Kew WCVP (2019)