| Name | Euphorbia serpyllifolia var. hirtula (Engelmann) L. C. Wheeler |
| Authorship | (Engelmann) L. C. Wheeler |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Euphorbia serpyllifolia Persoon |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Euphorbia serpyllifolia var. hirtula (Engelmann) L. C. Wheeler |
| Identification made in | 1939 (1) |