| Name | Isostigma speciosum var. riedelii Baker |
| Authorship | Baker |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Isostigma speciosum Lessing |
| GUID | urn:lsid:ipni.org:names:130721-2 |
| Citation | 1884 Fl. Bras. [Martius] 6, pt. 3: 240 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Isostigma speciosum var. riedelii Baker |
| Identification made in | [no date] (1), 2006 (1) |