| Name | Echinocactus horizonthalonius var. centrispinus Engelmann |
| Authorship | Engelmann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Echinocactus horizonthalonius Lemaire |
| GUID | urn:lsid:ipni.org:names:87437-2 |
| Citation | 1856 Proc. Amer. Acad. Arts 3: 276 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Echinocactus horizonthalonius var. centrispinus Engelmann |
| Identification made in | [no date] (2), 2008 (2) |