| Name | Cynoglossum castaneum Riedl |
| Authorship | Riedl |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cynoglossum Linnaeus |
| GUID | urn:lsid:ipni.org:names:977579-1 |
| Citation | 1994 Blumea 38(2): 462 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cynoglossum castaneum Riedl |
| Identification made in | [no date] (1) |