| Name | Porophyllum angustissimum Gardner | 
| Authorship | Gardner | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Porophyllum Guettard | 
| GUID | urn:lsid:ipni.org:names:239292-1 | 
| Citation | 1848 London J. Bot. 7: 410 | 
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Porophyllum angustissimum Gardner | 
| Identification made in | [no date] (3), 1911 (2), 1964 (3), 2008 (2) |