| Name | Portulaca fluvialis D. Legrand |
| Authorship | D. Legrand |
| Rank | Species |
| Placed in | Portulaca Linnaeus |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1942 Comun. Bot. Mus. Hist. Nat. Montevideo 1(1): 25 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Portulaca fluvialis D. Legrand |
| Identification made in | [no date] (3) |