| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Helminthocladia rhizoidea | Malaekahana, 50 yards north of point facing flat island and 25 yards from shore | Preserved_Specimen | Dichotomous branching, fertile. Only thallus seen. Female | Magruder, W.H. | 638 | Oahu | BISH | 1990-04-18 | |
| 2 | Helminthocladia rhizoidea | Off Embassy Suites Hotel, Honokowai | Preserved_Specimen | Hodgson, L.M. | 25041 | Maui | BISH | 2000-03-05 | ||
| 3 | Helminthocladia rhizoidea | Kaanapali Beach | Preserved_Specimen | Magruder, W.H. | 21317 | Maui | BISH | 1993-05-14 | ||
| 4 | Helminthocladia rhizoidea | Off Embassy Suites Hotel, Honokowai | Preserved_Specimen | Hodgson, L.M. | 25041 | Maui | BISH | 2000-03-05 | ||
| 5 | Helminthocladia rhizoidea | Lahaina | Preserved_Specimen | Matsui, T. | Maui | BISH | 1955-09-01 | |||
| 6 | Helminthocladia rhizoidea | Maalaea, in front of Maalaea Banyan Apartments | Collected March 1987 | Preserved_Specimen | Hoyle, M.D. | 18133 | Maui | BISH | ||
| 7 | Helminthocladia rhizoidea | Malaekahana State Park; 50 meters north of line between shore and flat island. Ten meters from shore | In area recently cleared of sand. Very slippery. Several dozen thalli seen. | Preserved_Specimen | Female and male | Magruder, W.H. | 763 | Oahu | BISH | 1991-02-17 |
| 8 | Helminthocladia rhizoidea | Maalaea, in front of Maalaea Banyan Apartments | Collected March 1987 | Preserved_Specimen | Hoyle, M.D. | 18133 | Maui | BISH | ||
| 9 | Helminthocladia rhizoidea | Lahaina | Preserved_Specimen | Matsui, T. | Maui | BISH | 1955-09-01 | |||
| 10 | Helminthocladia rhizoidea | Lahaina | Preserved_Specimen | Matsui, T. | Maui | BISH | 1955-09-01 | |||
| 11 | Helminthocladia rhizoidea | W Maui, Kaanapali | Collected May 1992 | Preserved_Specimen | Magruder, W.H. | 1389 | Maui | BISH | ||
| 12 | Helminthocladia rhizoidea | Honokowai | Preserved_Specimen | Hau, S. | 19328 | Maui | BISH | 1990-03-20 | ||
| 13 | Helminthocladia rhizoidea | W Maui, Kaanapali | Preserved_Specimen | Magruder, W.H. | 777 | Maui | BISH | 1992-05-01 | ||
| 14 | Helminthocladia rhizoidea | Kaanapali Beach, E Maui, Lahaina District, | Preserved_Specimen | Magruder, W.H. | 21317 | Maui | BISH | 1993-05-14 |