
Sargassum
Sargassum
As recorded: Sargassum C.Agardh, 1820
Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae
- Collected by
- Magruder, W.H.; Leu, M.M.E. Leu →W.H. Magruder →
- Collector number
- HM035
- Locality
- Between Limukoko & Palemano Points
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Coordinates
- 19.4580, -155.9270 ± 140 m
- Record type
- Preserved specimen
Where it was collected
Still here: Sargassum observed near this locality
Since 2000, iNaturalist observers have recorded 13 research-grade sightings in the wild within 25 km, most recently on 2026-04-05.

2026-04-05
Keala O Keawe Rd, Hōnaunau-Nāpōʻopoʻo, HI, US
(c) Mark Garland, some rights reserved (CC BY-NC)

2026-04-03
Honaunau Beach Rd, Hōnaunau-Nāpōʻopoʻo, HI, US
(c) manseekingorganisms, some rights reserved (CC BY-NC)

2026-02-16
Honaunau-Napoopoo, HI 96704, USA
(c) Erica, some rights reserved (CC BY-NC)

2025-11-07
Kealakekua Bay, Hōnaunau-Nāpōʻopoʻo, HI, US
(c) Cricket Raspet, some rights reserved (CC BY)

2025-09-05
Kailua-Kona, HI, USA
(c) quandary, some rights reserved (CC BY-NC)

2025-06-25
Kahaluu-Keauhou, HI, USA
(c) nmoorhatch, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sargassum. BISH 529732. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956141865. Accessed via explore.bishopmuseum.org/specimens/bish/529732.
Record sources
- GBIF occurrence 5956141865 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
