| Name | Isostigma simplicifolium subsp. riedelii (Baker) G. Peter | 
| Authorship | (Baker) G. Peter | 
| Rank | Subspecies | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Isostigma simplicifolium Lessing | 
| Remarks | ined as of Aug 2006 | 
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Isostigma simplicifolium subsp. riedelii (Baker) G. Peter | 
| Identification made in | 2006 (6) | 
