| Name | Cryptocoryne tonkinensis Gagnepain |
| Authorship | Gagnepain |
| Rank | Species |
| Placed in | Cryptocoryne |
| Citation | 1941 Notul. Syst. (Paris) 9: 133 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cryptocoryne tonkinensis Gagnepain |
| Identification made in | [no date] (2) |