| Name | Nautilocalyx forgetii (Sprague) Sprague | 
| Authorship | (Sprague) Sprague | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Nautilocalyx Linden ex Hanstein | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Nautilocalyx forgetii (Sprague) Sprague | 
| Identification made in | 1980 (1), 2006 (1) | 
