| Name | Dieffenbachia concinna T. B. Croat & M. H. Grayum | 
| Authorship | T. B. Croat & M. H. Grayum | 
| Rank | Species | 
| Placed in | Dieffenbachia | 
| Citation | 1999 Novon 9(4): 492 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Dieffenbachia concinna T. B. Croat & M. H. Grayum | 
| Identification made in | [no date] (1) | 
