| Name | Isostigma speciosum Lessing |
| Authorship | Lessing |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Isostigma |
| Contains | Isostigma speciosum var. riedelii Baker |
| GUID | urn:lsid:ipni.org:names:226331-1 |
| Citation | 1831 Linnaea 6: 515 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Isostigma speciosum Lessing |
| Identification made in | [no date] (5), 2006 (1) |