| Name | Echinocactus sellowii Link & Otto |
| Authorship | Link & Otto |
| Rank | Species |
| Placed in | Echinocactus |
| Citation | 1827 Verh. Vereins Beford. Gartenbaues Konigl. Preuss. Staaten 3: 425 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Echinocactus sellowii Link & Otto |
| Identification made in | [no date] (2) |