| Name | Cycas rumphii subsp. zeylanica J. Schuster |
| Authorship | J. Schuster |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Cycas rumphii Miquel |
| Citation | 1932 Pflanzenr. [Engler] 4, Fam. 1: 75 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Cycas rumphii subsp. zeylanica J. Schuster |
| Identification made in | [no date] (1), 1997 (2) |