Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Sargassum polyphyllum
As recorded: Sargassum polyphyllum J.Agardh, 1848
Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae
- Collected by
- Magruder, W.H.
- Collector number
- K155
- Date
- September 21, 1979
- Locality
- Kipukai, Long Beach
- Island
- Kauaʻi
- Region
- Hawaii, United States
- Record type
- Preserved specimen
Collected the same day
On September 21, 1979, Magruder, W.H. also collected 18 other specimens.
Actinotrichia fragilis
Botany
Asparagopsis taxiformis
Botany
Boodlea composita
Botany
Botryocladia skottsbergii
Botany
Caulerpa serrulata
Botany
Dictyota
Botany
Hypnea valentiae
Botany
Hypnea valentiae
Botany
Lyngbya majuscula
Botany
Neomeris vanbosseae
Botany
Padina sanctae-crucis
Botany
Padina sanctae-crucis
Botany
Portieria hornemannii
Botany
Portieria hornemannii
Botany
Udotea javensis
Botany
Udotea javensis
Botany
Ulva lactuca
Botany
Valonia ventricosa
Botany
Sargassum polyphyllum observed alive in Hawaiʻi
This specimen was collected in 1979. Since 2000, iNaturalist observers have recorded 34 research-grade sightings in the wild, most recently on 2026-10-08.
2026-10-08
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-10-07
N Kalaheo Ave, Kailua, HI, US
(c) anemoneme, some rights reserved (CC BY-NC)
2026-10-06
Lualualei Homestead Rd + Pokai Bay St, Waianae, HI 96792, USA
(c) maddy_wilkens, some rights reserved (CC BY-NC)
2025-12-15
Mamala Bay, Honolulu, HI, US
(c) William Wimley, some rights reserved (CC BY-NC)
2025-12-06
Diamond Head / Kapahulu / St. Louis Heights, Honolulu, HI, USA
(c) belyykit, some rights reserved (CC BY-NC)
2025-11-08
Waikiki, Honolulu, HI 96815, USA
no rights reserved
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sargassum polyphyllum. BISH 515223. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956484528. Accessed via explore.bishopmuseum.org/specimens/bish/515223.
Record sources
- GBIF occurrence 5956484528 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026