Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Hymenasplenium unilaterale
Halved-Spleenwort
As recorded: Hymenasplenium unilaterale (Lam.) Hayata
Plantae › Tracheophyta › Polypodiopsida › Polypodiales › Aspleniaceae
- Collected by
- Harrison, B.
- Collector number
- 11
- Date
- September 22, 1972
- Locality
- East Maui, Hana District, Waihoi Valley
- Island
- Maui
- Region
- Hawaii, United States
- Coordinates
- 20.7123, -156.0430 ± 5,074 m
- Identified by
- Smith, A.R.
- Record type
- Preserved specimen
Where it was collected
Collected the same day
On September 22, 1972, Harrison, B. also collected 5 other specimens.
Still here: Hymenasplenium unilaterale observed near this locality
This specimen was collected in 1972. Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild within 25 km, most recently on 2025-04-15.

2025-04-15
Hawaii, US
(c) Julien Ueda, some rights reserved (CC BY-NC)

2023-11-02
Hawaii, US
(c) Brayden Pollvogt, some rights reserved (CC BY-NC)

2023-11-02
Hawaii, US
(c) NPS - pacific island vegetation monitoring, some rights reserved (CC BY-NC)

2023-05-28
Hawaii, US
(c) askrenm, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Hymenasplenium unilaterale. BISH 428506. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956468573. Accessed via explore.bishopmuseum.org/specimens/bish/428506.
Record sources
- GBIF occurrence 5956468573 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
