| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Sphacelaria rigidula | [Hawaiian Islands; U.S.A.; O`ahu; Honolulu] | Preserved_Specimen | (Not on sheet) | 31053.1 | Oahu | BISH | ||
| 2 | Sphacelaria rigidula | Waikiki; Site 7; Canoes | Preserved_Specimen | Coles, S.L. | 7.03 | Oahu | BISH | 2001-01-18 | |
| 3 | Sphacelaria rigidula | Kalaupapa National Park intertidal | Preserved_Specimen | McGarrett, M. | 167 | Molokai | BISH | 2005-07-28 | |
| 4 | Sphacelaria rigidula | Wawaloli Beach | Preserved_Specimen | Okano, R. | 24360 | Hawaii | BISH | 2000-05-24 | |
| 5 | Sphacelaria rigidula | Kauai | Preserved_Specimen | Newhouse, J.W. | 22168 | Kauai | BISH | 1952-01-02 | |
| 6 | Sphacelaria rigidula | Hanalei Bay | Preserved_Specimen | Shultz, K. | 1251 | Kauai | BISH | 2001-04-27 | |
| 7 | Sphacelaria rigidula | Natatorium, Waikiki | Preserved_Specimen | Tsuda, R.T. | 98 | Oahu | BISH | ||
| 8 | Sphacelaria rigidula | Sand Island | Preserved_Specimen | Magruder, W.H. | 1437 | Oahu | BISH | 1992-04-22 | |
| 9 | Sphacelaria rigidula | Waikiki Marine Laboratory | Preserved_Specimen | Doty, M.S. | 17107 | Oahu | BISH | 1958-01-01 | |
| 10 | Sphacelaria rigidula | Waikiki Marine Laboratory | Preserved_Specimen | Rogers, D.P. | Oahu | BISH | |||
| 11 | Sphacelaria rigidula | [Hawaiian Islands; U.S.A.; O`ahu; Honolulu] | Preserved_Specimen | Lohman | 31018 | Oahu | BISH | ||
| 12 | Sphacelaria rigidula | Kailua | Preserved_Specimen | 44 | Oahu | BISH | 1951-01-02 | ||
| 13 | Sphacelaria rigidula | Waikiki | Preserved_Specimen | Magruder, W.H. | 1229 | Oahu | BISH | 1989-06-04 | |
| 14 | Sphacelaria rigidula | Between Limukoko & Palemano Points | In permanent tidepools in lava. | Preserved_Specimen | Magruder, W.H. | 946 | Hawaii | BISH | 1988-04-21 |
| 15 | Sphacelaria rigidula | Kawaihae Small Boat Harbor | High subtidal | Preserved_Specimen | Puttock, C.F. | 832 | Hawaii | BISH | 2001-01-24 |
| 16 | Sphacelaria rigidula | Hanalei Bay | Intertidal; Reef flat. | Preserved_Specimen | Puttock, C.F. | 132 | Kauai | BISH | 2000-05-05 |
| 17 | Sphacelaria rigidula | West Beach | intertidal; Narrow bench | Preserved_Specimen | Tseng, F. | 18065 | Oahu | BISH | 1987-03-01 |
| 18 | Sphacelaria rigidula | Kawela | 1950/09/16-17 | Preserved_Specimen | Doty, M.S. | 8046 | Oahu | BISH | |
| 19 | Sphacelaria rigidula | Waikiki Site 1: Kaiser's Wreck | Epiphytic on Turbinaria ornata. | Preserved_Specimen | Coles, S.L. | 1.04 | Oahu | BISH | 2001-01-15 |
| 20 | Sphacelaria rigidula | Keahole Point | Rock pools in wave surge zone | Preserved_Specimen | Puttock, C.F. | 1366 | Hawaii | BISH | 2001-05-07 |
| 21 | Sphacelaria rigidula | Kahakuloa | mid-littoral; On large boulders. | Preserved_Specimen | Hollenberg, G.J. | 31018 | Maui | BISH | 1965-04-21 |
| 22 | Sphacelaria rigidula | Hana Boat Jetty, E Maui, Hana District | Subtidal; On jetty pilings. | Preserved_Specimen | Puttock, C.F. | 1472 | Maui | BISH | 2001-05-23 |
| 23 | Sphacelaria rigidula | Keahole Point | On rope | Preserved_Specimen | Fisher, J.R. | 555 | Hawaii | BISH | 2000-09-13 |
| 24 | Sphacelaria rigidula | Pupukea | Epiphytic on Halimeda discoidea. | Preserved_Specimen | Okano, R. | 25953 | Oahu | BISH | 2000-06-05 |
| 25 | Sphacelaria rigidula | Kawaihae Small Boat Harbor | High subtidal; On submerged mooring ropes. | Preserved_Specimen | Fisher, J.R. | 704 | Hawaii | BISH | 2000-09-13 |
| 26 | Sphacelaria rigidula | Kuheia | On discarded netting. | Preserved_Specimen | Shultz, K. | 8 | Kahoolawe | BISH | 2002-04-23 |
| 27 | Sphacelaria rigidula | Waikiki Natatorium | Low intertidal | Preserved_Specimen | Puttock, C.F. | 92 | Oahu | BISH | 2000-04-04 |
| 28 | Sphacelaria rigidula | Papaula Point | Epiphytic on Turbinaria ornata | Preserved_Specimen | Hau, S. | 24744 | Maui | BISH | 2000-08-11 |
| 29 | Sphacelaria rigidula | W Maui, Lahaina District, Lahaina Boat Harbor & Reef | Intertidal | Preserved_Specimen | Puttock, C.F. | 932 | Maui | BISH | 2001-02-08 |
| 30 | Sphacelaria rigidula | Waikiki Marine Laboratory | Preserved_Specimen | Doty, M.S. | 10800 | Oahu | BISH | 1953-09-26 | |
| 31 | Sphacelaria rigidula | Between Limukoko & Palemano Points | In permanent tidepools in lava. | Preserved_Specimen | Magruder, W.H. | 959 | Hawaii | BISH | 1988-04-21 |
| 32 | Sphacelaria rigidula | W Maui, Lahaina District, Launiupoko Park | Preserved_Specimen | Doty, M.S. | 28358 | Maui | BISH | 1976-03-18 | |
| 33 | Sphacelaria rigidula | Launiupoko State Beach Park | Preserved_Specimen | Abbott, D.P. | 12569 | Maui | BISH | 1976-08-31 | |
| 34 | Sphacelaria rigidula | Mokulua | Preserved_Specimen | Doty, M.S. | 12250 | Oahu | BISH | 1952-11-09 | |
| 35 | Sphacelaria rigidula | Lawai Kai, Location | Preserved_Specimen | Daida, G.Y. | 15395 | Kauai | BISH | ||
| 36 | Sphacelaria rigidula | Kealakekua, Kona | Preserved_Specimen | Randall, J.E. | 10045 | Hawaii | BISH | 1952-02-10 | |
| 37 | Sphacelaria rigidula | Halawa | Preserved_Specimen | Doty, M.S. | 12540 | Molokai | BISH | 1953-01-02 | |
| 38 | Sphacelaria rigidula | Waikiki Marine Laboratory | Preserved_Specimen | Bell, M. | 1532 | Oahu | BISH | ||
| 39 | Sphacelaria rigidula | Waikiki Beach | Preserved_Specimen | Neal, M.C. | 30 | Oahu | BISH | ||
| 40 | Sphacelaria rigidula | Kalihi, La Perouse Bay, Keoneoio, E Maui, Makawao District | Preserved_Specimen | Doty, M.S. | 13184 | Maui | BISH | 1955-01-02 | |
| 41 | Sphacelaria rigidula | Kauai | Preserved_Specimen | Newhouse, J.W. | 22184 | Kauai | BISH | 1952-01-02 | |
| 42 | Sphacelaria rigidula | Penguin Banks | Preserved_Specimen | Townsend-Cromwell Survey | 3627 | Molokai | BISH | 1968-05-05 | |
| 43 | Sphacelaria rigidula | Kauai | Preserved_Specimen | Newhouse, J.W. | 22146 | Kauai | BISH | 1952-01-02 | |
| 44 | Sphacelaria rigidula | Maui | Preserved_Specimen | Townsend-Cromwell Survey | 3623 | Maui | BISH | 1968-05-04 | |
| 45 | Sphacelaria rigidula | Natatorium, Waikiki | Preserved_Specimen | Bell, M. | 1669 | Oahu | BISH | ||
| 46 | Sphacelaria rigidula | Diamond Head, below lighthouse | Preserved_Specimen | Buggeln, R.G. | 14074 | Oahu | BISH | ||
| 47 | Sphacelaria rigidula | Aliomanu Beach | Preserved_Specimen | Doty, M.S. | 9899 | Kauai | BISH | ||
| 48 | Sphacelaria rigidula | Kalanianaole Hwy, Hilo | Preserved_Specimen | Doty, M.S. | 19274 | Hawaii | BISH | ||
| 49 | Sphacelaria rigidula | Waikiki Marine Laboratory | Preserved_Specimen | Doty, M.S. | 17106 | Oahu | BISH | 1958-01-01 |