| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Dendrobium rhombeum | Koolau Mountains, Kipapa Trail | Epiphytic on Psychotria mariniana. | Preserved_Specimen | A few stems from base, up to 30 cm tall. Corolla lobes cream colored, throat yellow with maroon markings. Collected in wild and grown to maturity at Manoa residence. | Lau, J. | Oahu | BISH | 2010-10-12 | |
| 2 | Dendrobium rhombeum | Koolau Mts., Kahaluu-Ahuimanu dividing ridge. | Wet lowland forest and cliff. | Preserved_Specimen | Pale yellow flowers, growing epiphytically on trees and on rocky cliff substrate; ca. 7 individuals observed, adventive. | Kawelo, K. | 537 | Oahu | BISH | 2020-07-12 |
| 3 | Dendrobium rhombeum | Bowman trail (ridge N of Likelike Hwy) | Wet forest | Preserved_Specimen | Epiphyte. 2-3 individuals seen along trail | Faccenda, K. | 2057 | Oahu | BISH | 2021-07-17 |
| 4 | Dendrobium rhombeum | Tripler ridge. Descent from trail down into valley | Moist forest | Preserved_Specimen | Epiphyte. One individual seen | Faccenda, K. | 2089 | Oahu | BISH | 2021-08-21 |