| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Xiphosiphonia pennata | Lanikai, at the southern most part of Lanikai | On lava rocks. Forming extensive mats to 1 cm thick and 10's of cm across. | Preserved_Specimen | Tetraspores and females | Magruder, W.H. | 743 | Oahu | BISH | 1990-12-17 |
| 2 | Xiphosiphonia pennata | Lawai | Intertidal | Preserved_Specimen | Okano, R. | 30941 | Kauai | BISH | 2003-05-06 | |
| 3 | Xiphosiphonia pennata | Kahana | Preserved_Specimen | Smith, J. | 28915 | Maui | BISH | 2002-06-26 | ||
| 4 | Xiphosiphonia pennata | Honokowai | Preserved_Specimen | Hau, S. | 23178 | Maui | BISH | 1997-02-26 |