| Name | Isostigma riedelii Schultz Bipontinus ex Baker |
| Authorship | Schultz Bipontinus ex Baker |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Isostigma |
| Citation | 1884 Fl. Bras. [Martius] 6(3): 240 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Isostigma riedelii Schultz Bipontinus ex Baker |
| Identification made in | [no date] (3), 1998 (1) |