| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Riccia fluitans | Mt. Kala | Preserved_Specimen | Svihla, R.D. | 3464 | Oahu | BISH | 1934-06-28 | ||
| 2 | Riccia fluitans | Pearl City area, watercress farm, floating near cold Water outlet. First record for Hawai'i. | Preserved_Specimen | Hall, J.B. | 36 | Oahu | BISH | 1993-11-05 | ||
| 3 | Riccia fluitans | Honolulu, cultivated aquarium plant | Cultivated aquarium ornamental. | Preserved_Specimen | Free-floating aquatic plant; no roots or other holdfasts. Stems bright green, repeatedly dichotomously branched (Y-forked). | Staples, G.W. | 1230 | Oahu | BISH | 2006-04-07 |