| Name | Calamus polystachys Beccari |
| Authorship | Beccari |
| Rank | Species |
| Placed in | Calamus Linnaeus |
| Remarks | [confirmed][imported from GBIF] |
| Citation | 1908 Ann. Roy. Bot. Gard. (Calcutta) 11(1): 383 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Calamus polystachys Beccari |
| Identification made in | [no date] (2) |