| Name | Arisaema dilatatum Buchet | 
| Authorship | Buchet | 
| Rank | Species | 
| Placed in | Arisaema Martius | 
| Citation | 1911 Notul. Syst. (Paris) 1: 369 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arisaema dilatatum Buchet | 
| Identification made in | [no date] (2) |