Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Hymenophyllum obtusum
palai lau li‘I
As recorded: Hymenophyllum obtusum Hook. & Arn.
Plantae › Tracheophyta › Polypodiopsida › Hymenophyllales › Hymenophyllaceae
- Collected by
- Lyon, H.L.
- Collector number
- s.n.
- Date
- September 12, 1909
- Locality
- Palolo [Kaau] Crater, west ridge.
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- (Nom. rev.) Imada, C.
- Record type
- Preserved specimen
Collected the same day
On September 12, 1909, Lyon, H.L. also collected 17 other specimens.
Hymenophyllum obtusum observed alive in Hawaiʻi
This specimen was collected in 1909. Since 2000, iNaturalist observers have recorded 58 research-grade sightings in the wild, most recently on 2026-04-03.

2026-04-03
Palolo, Honolulu, HI, USA
no rights reserved

2026-01-17
Hawaii, US
(c) Neal Kelso, some rights reserved (CC BY)

2025-12-26
Honolulu, Hawaii, United States
(c) Hubert Szczygieł, some rights reserved (CC BY-NC)

2025-12-26
Koolauloa, Hauula, HI, USA
(c) Daniel Ward, some rights reserved (CC BY-NC)

2025-11-29
Hawaii, US
(c) Neal Kelso, some rights reserved (CC BY)

2025-11-01
Kailua, HI, US
(c) faerthen, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Hymenophyllum obtusum. BISH 766834. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956413357. Accessed via explore.bishopmuseum.org/specimens/bish/766834.
Record sources
- GBIF occurrence 5956413357 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
