| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rhododendron simsii | Honolulu, Makiki Heights area, 2377 Makiki Heights Drive | Preserved_Specimen | A shrub 1.5 m tall. Corolla light pink to rose pink with some magenta on the lower side of the inner corolla. Flowers odorless (morning). Growing in partial shade. | Lau, J. | 2083 | Oahu | BISH | 1986-03-03 | |
| 2 | Rhododendron simsii | Post Office, Wahiawa | Slope 0 degrees; Soil- silty loam. | Preserved_Specimen | Attractive plant with many showy flowers. Flowers white, pink, red, purple. | Afualo, D. | 37 | Oahu | BISH | 1975-03-08 |
| 3 | Rhododendron simsii | garden of Isami S. Yamamoto, 2349 Palolo Ave | Preserved_Specimen | Suenaga, B. | Oahu | BISH | 1986-08-18 | |||
| 4 | Rhododendron simsii | Kokee: Camp 10 Road; Garden at Plew's residence | Preserved_Specimen | Plews, J.H.R. | Kauai | BISH | 1986-10-23 | |||
| 5 | Rhododendron simsii | Captain Cook; Amy B. H. Greenwell Ethnobotanical Gardens | Abandoned coffee plantation at one side of Garden; in yard of house. | Preserved_Specimen | Shrub ca 7-8' tall; flws present w/lvs; cor orange-red; the upper 1/3 of petals with deeper red spots. | Herbst, D.R. | 9305 | Hawaii | BISH | 1991-01-11 |
| 6 | Rhododendron simsii | My garden, Kokee | Preserved_Specimen | To 8' in height. Evergreen. | Plews, J.H.R. | Kauai | BISH | 1987-04-10 |