| Name | Calamus laevigatus Martius ex Walpers |
| Authorship | Martius ex Walpers |
| Rank | Species |
| Placed in | Calamus Linnaeus |
| Remarks | [confirmed][imported from GBIF] |
| Citation | 24-25 Aug 1852 Ann. Bot. Syst. [Walpers] 3: 489 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Calamus laevigatus Martius ex Walpers |
| Identification made in | [no date] (5) |