| Name | Petalonyx linearis Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Petalonyx A. Gray |
| GUID | urn:lsid:ipni.org:names:545545-1 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Petalonyx linearis Greene |
| Identification made in | [no date] (6), 1887 (1) |