| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Amphiroa fragilissima | Miloii; 1926 lava flow | Preserved_Specimen | Seriate tetraspores. | Hoyle, M.D. | 244 | Hawaii | BISH | 1970-02-08 | |
| 2 | Amphiroa fragilissima | Outside | Preserved_Specimen | Shultz, K. | 7207 | Necker | BISH | 2002-09-10 | ||
| 3 | Amphiroa fragilissima | Chun's Reef, ca. 30 meters off sandy point to right of beach access | On reef flat, forming clumps. | Preserved_Specimen | Reddish green. With conceptacles. | Magruder, W.H. | 750 | Oahu | BISH | 1986-07-19 |
| 4 | Amphiroa fragilissima | Preserved_Specimen | Fortner, H.J. | 17314 | Laysan Island | BISH | 1984-07-01 | |||
| 5 | Amphiroa fragilissima | Leleiwi | Preserved_Specimen | Norris, J. | 10 | Hawaii | BISH | 2002-05-24 |