| Name | Damnacanthus biflorus (Rehder) Masamune |
| Authorship | (Rehder) Masamune |
| Rank | Species |
| Placed in | Damnacanthus |
| Citation | 1934 Mem. Fac. Sci. Taihoku Imp. Univ. 4: 5 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Damnacanthus biflorus (Rehder) Masamune |
| Identification made in | 2016 (2) |