| Name | Echinocereus viridiflorus var. cylindricus (Engelmann) Engelmann ex Rümpler |
| Authorship | (Engelmann) Engelmann ex Rümpler |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Echinocereus viridiflorus Engelmann |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Echinocereus viridiflorus var. cylindricus (Engelmann) Engelmann ex Rümpler |
| Identification made in | [no date] (1), 1980 (4) |