| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bidens macrocarpa × Bidens sandvicensis | Kuliouou. Western summit. Southeastern Koolau Mountains. | Growing on widswept summit ridge overlooking Waimānalo. Also growing with Hydrangea arguta, Bidens sandvicensis, Metrosideros polymorpha, Kadua centranthoides, Sadleria pallida, Peperomia latifolia, Digitaria spp., Axonopus compressus, Rubus rosifolius, Perotettia sandwicensis, and others. | Preserved_Specimen | Small herbaceous plants profusely branching. Plants intermediate between Bidens macrocarpa and B. sandvicensis | Thomas, M.K. | 609 | Oahu | BISH | 2023-10-21 |