| Name | Euphorbia zygophylloides var. flagelliformis (Engelmann) Boissier |
| Authorship | (Engelmann) Boissier |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia zygophylloides Boissier |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Euphorbia zygophylloides var. flagelliformis (Engelmann) Boissier |
| Identification made in | [no date] (1) |