| Name | Cycas riuminiana Marius Porte ex Regel |
| Authorship | Marius Porte ex Regel |
| Rank | Species |
| Placed in | Cycas Linnaeus |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1863 Gartenflora 12: 16 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Cycas riuminiana Marius Porte ex Regel |
| Identification made in | 2024 (6) |