| Name | Nautilocalyx hirtiflorus (Spruce ex Hanstein) Sprague |
| Authorship | (Spruce ex Hanstein) Sprague |
| Rank | Species |
| Placed in | Nautilocalyx Linden ex Hanstein |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Nautilocalyx hirtiflorus (Spruce ex Hanstein) Sprague |
| Identification made in | 2000 (1) |