| Name | Portulaca okinawensis E. H. Walker & S. Tawada |
| Authorship | E. H. Walker & S. Tawada |
| Rank | Species |
| Placed in | Portulaca Linnaeus |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1951 J. Wash. Acad. Sci. 41: 138 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Portulaca okinawensis E. H. Walker & S. Tawada |
| Identification made in | [no date] (2) |