Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Sargassum aquifolium
Double-edge Sargassum
As recorded: Sargassum aquifolium (Turner) C.Agardh
Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae
- Collected by
- Takeuchi, W.N.; Herbst, D.R.Derral R. Herbst →Wayne N. Takeuchi →
- Collector number
- s.n.
- Date
- June 8, 1988
- Locality
- Site XXXV Adam's Cove landing area; sw end of island
- Island
- Nihoa
- Region
- Hawaii, United States
- Identified by
- Tsuda, R.T.
- Record type
- Preserved specimen
Sargassum aquifolium observed alive in Hawaiʻi
This specimen was collected in 1988. Since 2000, iNaturalist observers have recorded 128 research-grade sightings in the wild, most recently on 2026-10-15.

2026-10-15
Hawaii, US
(c) conlonae, some rights reserved (CC BY-NC)

2026-09-27
Ala Moana, Honolulu, HI, USA
(c) avocat, some rights reserved (CC BY)

2026-09-27
Ala Moana, Honolulu, HI, USA
(c) avocat, some rights reserved (CC BY)

2026-09-23
Hawaii Kai, Honolulu, HI, USA
no rights reserved

2026-07-01
Hana, HI 96713, USA
(c) Tim Guida, some rights reserved (CC BY-NC)

2026-06-23
Wailua, HI 96746, USA
(c) Tim Guida, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sargassum aquifolium. BISH 619381. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956575216. Accessed via explore.bishopmuseum.org/specimens/bish/619381.
Record sources
- GBIF occurrence 5956575216 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
