| Name | Cosmos linearifolius var. magnifolius Sherff |
| Authorship | Sherff |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cosmos linearifolius Hemsley |
| GUID | urn:lsid:ipni.org:names:66761-2 |
| Citation | 1936 Bot. Gaz. 97: 609 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Cosmos linearifolius var. magnifolius Sherff |
| Identification made in | [no date] (2), 1997 (1) |