| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hydrilla verticillata | Honolulu International Airport, USDA inspection service | Preserved_Specimen | Bits of stems w.out roots; sterile. | Hoe, W.J. | 557 | Oahu | BISH | 1990-02-06 | |
| 2 | Hydrilla verticillata | Honolulu International Airport | Preserved_Specimen | Submerged plant in fertile condition; staminate spathes sessile in lf axils, globose & spinose, 1-flwd, the fls free-floating; pistillate fls short-stalked, cylindrical & smooth, w. a long style, fls borne just at waters surface; frts. | Hoe, W.J. | 599 | Oahu | BISH | 1990-05-08 |