| Name | Hesperomecon angusta Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hesperomecon Greene |
| GUID | urn:lsid:ipni.org:names:120949-2 |
| Citation | 1903 Pittonia 5: 149 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hesperomecon angusta Greene |
| Identification made in | [no date] (2) |