| Name | Calamus optimus Beccari |
| Authorship | Beccari |
| Rank | Species |
| Placed in | Calamus Linnaeus |
| Remarks | [confirmed][imported from GBIF] |
| Citation | 1902 Nelle Foreste di Borneo 610 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Calamus optimus Beccari |
| Identification made in | [no date] (3) |
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