| 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) |