| Name | Calamus karuensis Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Calamus Linnaeus |
| Remarks | [confirmed][imported from GBIF] |
| Citation | 1923 J. Malayan Branch Roy. Asiat. Soc. 1: 104 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Calamus karuensis Ridley |
| Identification made in | [no date] (2) |