Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Sargassum obtusifolium
As recorded: Sargassum obtusifolium J.Agardh, 1848
Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae
- Collected by
- Ball, F.
- Collector number
- IA 18483
- Date
- August 28, 1980
- Island
- Midway Atoll
- Region
- Hawaii, United States
- Identified by
- Not on sheet
- Record type
- Preserved specimen
Collected the same day
On August 28, 1980, Ball, F. also collected 2 other specimens.
Sargassum obtusifolium observed alive in Hawaiʻi
This specimen was collected in 1980. Since 2000, iNaturalist observers have recorded 3 research-grade sightings in the wild, most recently on 2022-04-03.

2022-04-03
Mokapu, MCBH, HI 96734, USA
(c) vbandini, some rights reserved (CC BY-NC)

2018-05-23
Napili, Maui, Hawai'i, USA
(c) sea-kangaroo, some rights reserved (CC BY-NC-ND)
2016-01-21
Kamaole Beach Park, Wailea, HI, US
(c) Kai Joaquin, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sargassum obtusifolium. BISH 706563. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956510743. Accessed via explore.bishopmuseum.org/specimens/bish/706563.
Record sources
- GBIF occurrence 5956510743 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
