| Name | Tristaniopsis whiteana subsp. monostemon P. S. Ashton |
| Authorship | P. S. Ashton |
| Rank | Subspecies |
| Placed in | Tristaniopsis whiteana (Griff.) Paul G.Wilson & J.T.Waterh. |
| Citation | 2005 Gard. Bull. Singapore 57:277 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tristaniopsis whiteana subsp. monostemon P. S. Ashton |
| Identification made in | [no date] (1) |