| Name | Calamus siphonospathus var. sublaevis Beccari |
| Authorship | Beccari |
| Rank | Variety |
| Placed in | Calamus siphonospathus Martius ex Walpers |
| Citation | 1905 Webbia 1: 354 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calamus siphonospathus var. sublaevis Beccari |
| Identification made in | [no date] (1) |
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