| Name | Porophyllum filifolium A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porophyllum Guettard |
| GUID | urn:lsid:ipni.org:names:291720-2 |
| Citation | 1883 Proc. Amer. Acad. Arts 19: 35 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Porophyllum filifolium A. Gray |
| Identification made in | [no date] (1), 1911 (1), 1985 (1) |