| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Melanothamnus sparsus | Kihei | Preserved_Specimen | Hodgson, L.M. | 21577 | Maui | BISH | 1994-03-24 | ||
| 2 | Melanothamnus sparsus | Laupahoehoe | Shallow. | Preserved_Specimen | Okano, R. | Hawaii | BISH | 2000-06-14 | ||
| 3 | Melanothamnus sparsus | Kahala, off Hunakai Street | Reef crest,, mat-like & creeping, withTolypiocladia on side wall of channel | Preserved_Specimen | Dark brown, slightly reddish, very slimey surface. | Magruder, W.H. | 731 | Oahu | BISH | 1986-07-05 |
| 4 | Melanothamnus sparsus | Aena Beach | Preserved_Specimen | Collins, G. | Kauai | BISH | 1965-04-16 | |||
| 5 | Melanothamnus sparsus | Elks Club | Preserved_Specimen | Papenfuss, G.F. | Oahu | BISH | 1942-04-01 | |||
| 6 | Melanothamnus sparsus | Aena Beach | On Tolypiocladia -- This slide contains P. hawaiiensis or P. sparsa. The slide is filed as P. hawaiiensis. See sheet #594659. | Preserved_Specimen | Collins, G. | Kauai | BISH | 1965-04-16 | ||
| 7 | Melanothamnus sparsus | Ewa Beach | Drift. | Preserved_Specimen | Spermatangial. | Hoyle, M.D. | 764 | Oahu | BISH | 1975-07-23 |
| 8 | Melanothamnus sparsus | Maalaea Reef | Subtidal | Preserved_Specimen | Cystocarpic, spermatangial & tetrasporic. | Puttock, C.F. | 1525 | Maui | BISH | 2001-05-24 |
| 9 | Melanothamnus sparsus | Pupukea | Epiphytic on Halimeda discoidea. | Preserved_Specimen | Okano, R. | 25950 | Oahu | BISH | 2000-06-05 | |
| 10 | Melanothamnus sparsus | Honolulu Harbor: Station 2; Pier 5-6 HECO Discharge | Epiphytic on Bryozoa. | Preserved_Specimen | Defelice, R. | 207 | Oahu | BISH | 1997-08-20 | |
| 11 | Melanothamnus sparsus | Kamalo | Epiphytic on Dictyosphaeria. | Preserved_Specimen | Okano, R. | 25697 | Molokai | BISH | 2000-02-03 | |
| 12 | Melanothamnus sparsus | Kaiolohia Bay, between Halulu Gulch & Poaiwa, North-west shore | Subtidal | Preserved_Specimen | Fisher, J.R. | 5017 | Lanai | BISH | 2003-02-06 | |
| 13 | Melanothamnus sparsus | Kahala, reef flat off Hunakai Street | Intertidal; epiphytic on saxicolus | Preserved_Specimen | Straw reddish to light reddish. Tetrasporangial and carposporangial. | Magruder, W.H. | 731 | Oahu | BISH | 1986-07-05 |
| 14 | Melanothamnus sparsus | Kahe Point | Preserved_Specimen | Okano, R. | 24350 | Oahu | BISH | 2000-05-19 | ||
| 15 | Melanothamnus sparsus | Honolua Bay (South) | Preserved_Specimen | Hau, S. | 24856 | Maui | BISH | 2000-08-10 | ||
| 16 | Melanothamnus sparsus | Station 1 | Preserved_Specimen | Tetrasporic. | Polloi, J. | 117 | Kure Atoll | BISH | 2002-09-29 | |
| 17 | Melanothamnus sparsus | Chun's Reef | Preserved_Specimen | Cystocarpic. | Magruder, W.H. | Oahu | BISH | 1991-05-25 | ||
| 18 | Melanothamnus sparsus | Black Point, Diamond Head | Preserved_Specimen | Tetrasporic. | Magruder, W.H. | Oahu | BISH | 1991-04-24 | ||
| 19 | Melanothamnus sparsus | Papaula Point | Preserved_Specimen | epiphytic on Codium edule | Hau, S. | 24743 | Maui | BISH | 2000-08-11 | |
| 20 | Melanothamnus sparsus | Laupahoehoe | Preserved_Specimen | Okano, R. | 24613 | Hawaii | BISH | 2000-06-15 | ||
| 21 | Melanothamnus sparsus | Port Allen | Preserved_Specimen | Doty, M.S. | 19145 | Kauai | BISH | 1959-09-12 | ||
| 22 | Melanothamnus sparsus | Kauai | Preserved_Specimen | (Not on sheet) | 31007.4 | Kauai | BISH | |||
| 23 | Melanothamnus sparsus | Laupahoehoe Point | Preserved_Specimen | Doty, M.S. | 17032 | Hawaii | BISH | 1953-01-29 |