| Name | Apiastrum angustifolium Torrey & A. Gray |
| Authorship | Torrey & A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Apiastrum |
| GUID | urn:lsid:ipni.org:names:837991-1 |
| Citation | 1840 Fl. N. Amer. [Torr. & A. Gray] 1: 644 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Apiastrum angustifolium Torrey & A. Gray |
| Identification made in | [no date] (6), 2017 (2) |