| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cyperus eragrostis | Umikoa Ranch, in ungrazed stock pond | Found in 2 sites on ranchlands in open koa forest with kikuyu grass understory. | Preserved_Specimen | Uyehara, K.J. | Hawaii | BISH | 2000-07-26 | |
| 2 | Cyperus eragrostis | Umikoa, David Matsuura Property, Hamakua, Big Island, HI | Growing in shallow water, along with Juncus ensifolius and J. tenuis. | Preserved_Specimen | Crago, L.M. | 2005121 | Hawaii | BISH | 2005-03-20 |
| 3 | Cyperus eragrostis | Umikoa Ranch, Hamakua | c.1 acre stock pond, montane wet pasture, some koa. | Preserved_Specimen | Uyehara, K.J. | 99092706 | Hawaii | BISH | 1999-09-27 |
| 4 | Cyperus eragrostis | Laupahoehoe Forest Reserve. Along 4wd road entering FR. | sunny, wet area, growing on top of a large pile of soil about 1 m tall. | Preserved_Specimen | Faccenda, K. | 3264 | Hawaii | BISH | 2024-01-04 |