| Name | Cordylanthus diffusus Pennell |
| Authorship | Pennell |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cordylanthus |
| GUID | urn:lsid:ipni.org:names:801687-1 |
| Citation | 1947 Proc. Acad. Nat. Sci. Philadelphia 99: 198 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cordylanthus diffusus Pennell |
| Identification made in | [no date] (2) |