| Name | Neonauclea hagenii subsp. papuana (Valeton) Ridsdale |
| Authorship | (Valeton) Ridsdale |
| Rank | Subspecies |
| Placed in | Neonauclea hagenii (Lauterbach & K. Schumann) Merrill |
| Citation | 1970 Gard. Bull. Singapore 25: 270 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Neonauclea hagenii subsp. papuana (Valeton) Ridsdale |
| Identification made in | [no date] (14) |