| Name | Porophyllum nutans B. L. Robinson & Greenman |
| Authorship | B. L. Robinson & Greenman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porophyllum Guettard |
| GUID | urn:lsid:ipni.org:names:208429-2 |
| Citation | 1896 Proc. Amer. Acad. Arts 32: 31 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Porophyllum nutans B. L. Robinson & Greenman |
| Identification made in | [no date] (4), 1911 (4), 1964 (2), 2008 (4) |