| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Rhizoclonium grande | Elks Club | on high rock, exposed at low tide | Preserved_Specimen | Doty, M.S. | 8699 | Oahu | BISH | 1950-11-03 |
| 2 | Rhizoclonium grande | Station 52 | Preserved_Specimen | Geisler, K.J. | 53021 | Pearl & Hermes Atoll | BISH | 2000-10-01 | |
| 3 | Rhizoclonium grande | On rocks covered with thin layer of sand, Kahaluu Park | Preserved_Specimen | Gilbert, W.J. | 9945 | Hawaii | BISH | 1959-05-26 | |
| 4 | Rhizoclonium grande | Kaiaka Beach Park | Preserved_Specimen | Magruder, W.H. | Oahu | BISH | 1989-08-01 | ||
| 5 | Rhizoclonium grande | Station 42 | Preserved_Specimen | Geisler, K.J. | 42004 | Pearl & Hermes Atoll | BISH | 2000-09-26 | |
| 6 | Rhizoclonium grande | Kaena Point | Preserved_Specimen | Gilbert, W.J. | 9509 | Oahu | BISH | ||
| 7 | Rhizoclonium grande | Maui | Preserved_Specimen | Matsui, T. | 17935 | Maui | BISH | ||
| 8 | Rhizoclonium grande | Kaiaka Beach Park | Preserved_Specimen | Magruder, W.H. | Oahu | BISH | 1989-08-01 | ||
| 9 | Rhizoclonium grande | Hilo | Preserved_Specimen | Doty, M.S. | 31894 | Hawaii | BISH | ||
| 10 | Rhizoclonium grande | Banyan Drive, E end of Naniloa Hotel, Hilo | On very infrequently spray-wet basalt of solid rock shore | Preserved_Specimen | Doty, M.S. | 33688 | Hawaii | BISH | 1993-10-10 |
| 11 | Rhizoclonium grande | Chun's Reef, 50-75 ft. from shore | Intertidal; Growing low in mat of Gelidium. | Preserved_Specimen | Magruder, W.H. | 538 | Oahu | BISH | 1986-03-09 |
| 12 | Rhizoclonium grande | Kaiaka Beach Park | On limestone partially covered by sand in sandy area near shore. | Preserved_Specimen | Magruder, W.H. | Oahu | BISH | 1989-08-01 | |
| 13 | Rhizoclonium grande | Chun's Reef, ca. 30 meters off sandy point to right of beach access | On reef flat, growing under mat of Gelidium (WHM 752). | Preserved_Specimen | Magruder, W.H. | 753 | Oahu | BISH | 1986-07-20 |
| 14 | Rhizoclonium grande | Honolulu Harbor | On hull of vessel Mamo. Interisland. | Preserved_Specimen | Godwin, L.S. | 30003 | Oahu | BISH | 2003-03-03 |