| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kalanchoe × houghtonii | Lanai cemetery. WGS84 coordinates: Lat. 20.845473, Long. -156.921296 | In partly shady, dry area growing under cook pines. Hundreds of plants seen, reproducing mostly vegetatively and not surpassing 10 cm. tall in area. | Preserved_Specimen | Faccenda, K. | 3221 | Lanai | BISH | 2023-06-23 | |
| 2 | Kalanchoe × houghtonii | East Maui, Near Puu Pimoe, Kanaio | Associated vegetation: Prosopis pallida, Amaranthus spinosus. | Preserved_Specimen | Erect, perennial herb. | Starr, F. | 403313 | Maui | BISH | 2004-03-31 |
| 3 | Kalanchoe × houghtonii | Waimea Canyon Dr., about 400m up the road from the edge of the town, makai of Panini Ln | Dry, exposed roadside, from hard soil on a S. facing slope | Preserved_Specimen | Large clump of plants about 2 m wide and reproducing asexually by plantlets, at least 200 plants present in this clump, most were very young and only two were flowering. The flowers have pink petals. The leaves are folded upwards and green in their center | Faccenda, K. | 2468 | Kauai | BISH | 2022-06-02 |
| 4 | Kalanchoe × houghtonii | Ridge between Pia Valley and Kuli'ou'ou (closer to Pia valley). Along trail | Dry sunny area at low elevations | Preserved_Specimen | Small clump present in dry grass and Leucaena area | Faccenda, K. | 2127 | Oahu | BISH | 2021-10-23 |
| 5 | Kalanchoe × houghtonii | Upper Makakilo, adjacent to Palehua Heights subdivision, on southwestern slope above Kalo‘i Gulch | In seep area on steep rocky slope in dry alien open vegetation. | Preserved_Specimen | Herb 6 ft. tall. Stem thick, succulent, scandent. Inflorescence many-branched, flowers pink-orange, 4-lobed. | Imada, C. | 200434 | Oahu | BISH | 2004-03-30 |