| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Holomitrium squarrifolium | Kawaihau District. Kealia Forest Reserve. Along Kapahi Stream | Disturbed lowland mesic forest dominated by Hibiscus tiliaceus thicket over stream. W/ Metrosideros, Pandanus, Schinus, Psidium guajava, P. cattleianum, Freycinetia, Dicranopteris, Clidemia, Coix, Oplismenus, Aleurites, Cordyline, Hibiscus. | Preserved_Specimen | Flynn, T.W. | 8874 | Kauai | BISH | 2018-01-27 |
| 2 | Holomitrium squarrifolium | lower Waiakamoi | rainforest | Preserved_Specimen | Svihla, R.D. | 4318 | Maui | BISH | 1956-01-03 |
| 3 | Holomitrium squarrifolium | Koolau summit between Kahuauli and Kauakaulani. Central Koolau Mountains. | Epiphytic on Syzygium sandwicense in mostly native wet/cloud forest dominated by Metrosideros, Dicranopteris, Sadleria, Bobea, Kadua, and others. Plants growing in a thick bryophyte colony of Cuspidatula, Campylopus, Bazzania, Herbertus, and others. | Preserved_Specimen | Thomas, M.K. | 241 | Oahu | BISH | 2022-01-28 |
| 4 | Holomitrium squarrifolium | Moanalua valley along Tripler ridge. Central Koolau Mountains | Epiphytic on Bobea elatior. Growing in thick colony among Frullania spp., Leucobryum gracile, Herbertus spp., Cuspidatula robusta, Adenophorus tamariscinus, and others. | Preserved_Specimen | Thomas, M.K. | 182 | Oahu | BISH | 2021-10-22 |
| 5 | Holomitrium squarrifolium | Pahoehoe, Kau | Preserved_Specimen | Bartram, E.B. | 341 | Hawaii | BISH | 1930-01-30 |