| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cyperus diffusus | Ewa District, Ewa Beach, cultivated in the garden of C. Tanabe (Elsie Horikawa's Brother) | Garden | Preserved_Specimen | More or less diffuse clumps up to 30 ht, rhizome black, creeping, culms about 1 apart. | Horikawa, E. | 750 | Oahu | BISH | 1991-06-10 |
| 2 | Cyperus diffusus | Ewa District, Ewa Beach, cultivated in the garden of C. Tanabe (Elsie Horikawa's Brother) | In garden, in full sun, w. mondo grass, junipers, & Raphiolepis sp. | Preserved_Specimen | Cultivated ornamental, more or less open clumps 24-30 ht, rhizome black & creeping, culms arise ca. 1 apart. | Horikawa, E. | 748 | Oahu | BISH | 1991-06-07 |
| 3 | Cyperus diffusus | Ewa District, Ewa Beach, cultivated in the garden of C. Tanabe (Elsie Horikawa's Brother) | Garden | Preserved_Specimen | More or less diffuse clumps up to 30 ht, rhizome black, creeping, culms about 1 apart. | Horikawa, E. | 750 | Oahu | BISH | 1991-06-10 |