| Name | Cotyledon attenuata S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cotyledon Linnaeus |
| GUID | urn:lsid:ipni.org:names:66999-2 |
| Citation | 1887 Proc. Amer. Acad. Arts 22: 472 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cotyledon attenuata S. Watson |
| Identification made in | [no date] (1) |