| Name | Schiedea diffusa A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Schiedea |
| Contains | Schiedea diffusa var. macraei Sherff |
| GUID | urn:lsid:ipni.org:names:156681-1 |
| Citation | 1854 U.S. Expl. Exped., Phan. 138 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Schiedea diffusa A. Gray |
| Identification made in | [no date] (1) |