| Name | Hydriastele gracilis (Burret) W. J. Baker & Loo |
| Authorship | (Burret) W. J. Baker & Loo |
| Rank | Species |
| Placed in | Hydriastele |
| Citation | 2004 Kew Bull. 59: 65 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hydriastele gracilis (Burret) W. J. Baker & Loo |
| Identification made in | 2004 (1) |