| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Microdictyon japonicum | Mahukona | On pylon protruding from water on side opposite boat hoist. | Preserved_Specimen | Magruder, W.H. | 1769 | Hawaii | BISH | 1988-05-20 |
| 2 | Microdictyon japonicum | Anini Reef | on reef flat. | Preserved_Specimen | Magruder, W.H. | 271 | Kauai | BISH | 1988-12-23 |
| 3 | Microdictyon japonicum | Pupukea, Sharks Cove, west side; 100-200 ft. from shore | Collected mostly from vertical walls. | Preserved_Specimen | Magruder, W.H. | 1066 | Oahu | BISH | 1988-06-06 |
| 4 | Microdictyon japonicum | Hunakai Street, Kahala | sand bottom with scattered boulders and coral rubble. | Preserved_Specimen | Magruder, W.H. | 303 | Oahu | BISH | 1988-12-28 |
| 5 | Microdictyon japonicum | Kaaawa, leeward side | Reef flat and old rope, ca. 40' from shore. | Preserved_Specimen | Magruder, W.H. | 607 | Oahu | BISH | |
| 6 | Microdictyon japonicum | Hanalei Bay & Jetty | supratidal; entangled in Lyngbya majuscula | Preserved_Specimen | Shultz, K. | 662 | Kauai | BISH | 2001-01-17 |
| 7 | Microdictyon japonicum | Between Limukoko & Palemano Points | In permanent tidepools in lava. | Preserved_Specimen | Magruder, W.H. | 953 | Hawaii | BISH | 1988-04-21 |
| 8 | Microdictyon japonicum | Hana Boat Jetty, E Maui, Hana District | Subtidal; On jetty pilings and boat ramp. | Preserved_Specimen | Puttock, C.F. | 1461 | Maui | BISH | 2001-05-23 |
| 9 | Microdictyon japonicum | Between Limukoko & Palemano Points | in permanent tidepools on lava. | Preserved_Specimen | Magruder, W.H. | 36 | Hawaii | BISH | 1988-04-21 |
| 10 | Microdictyon japonicum | Wailau | on boulders | Preserved_Specimen | LeGrande, M. | 23604 | Molokai | BISH | 1999-05-23 |
| 11 | Microdictyon japonicum | Sandy Beach | Collected January 1989. | Preserved_Specimen | McDermid, K.J. | 475 | Oahu | BISH | |
| 12 | Microdictyon japonicum | Keahole Point | Low subtidal; from a core sample. -- Collected Fall 1981 | Preserved_Specimen | Kay, E.A. | 16062 | Hawaii | BISH | |
| 13 | Microdictyon japonicum | Keawaula | Preserved_Specimen | Yoshizaki, M. | Oahu | BISH | 1990-04-26 | ||
| 14 | Microdictyon japonicum | Hanauma Bay | Preserved_Specimen | Doty, M.S. | 10674 | Oahu | BISH | 1953-05-03 | |
| 15 | Microdictyon japonicum | Kaena Point | Preserved_Specimen | Hodgson, L.M. | Oahu | BISH | |||
| 16 | Microdictyon japonicum | Kaneohe Bay, small boat harbor | Preserved_Specimen | Magruder, W.H. | 393 | Oahu | BISH | 1989-03-21 | |
| 17 | Microdictyon japonicum | Hunakai Street, Kahala | Preserved_Specimen | Magruder, W.H. | 1184 | Oahu | BISH | 1989-05-06 | |
| 18 | Microdictyon japonicum | Halona | Preserved_Specimen | Abbott, I.A. | 948 | Oahu | BISH | 1946-02-27 | |
| 19 | Microdictyon japonicum | Waikiki Beach | Preserved_Specimen | Neal, M.C. | 40 | Oahu | BISH | ||
| 20 | Microdictyon japonicum | Makaha Caverns | Preserved_Specimen | Hodgson, L.M. | 20513 | Oahu | BISH | 1991-06-11 | |
| 21 | Microdictyon japonicum | Hawaii | Preserved_Specimen | (Not on sheet) | 17155 | Hawaii | BISH | ||
| 22 | Microdictyon japonicum | Keahole Point | Preserved_Specimen | Puttock, C.F. | 867 | Hawaii | BISH | 2001-01-24 |