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Sargassum polyphyllum

Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution

BISH 693656Botany

Sargassum polyphyllum

As recorded: Sargassum polyphyllum J.Agardh, 1848

Chromista › Ochrophyta › Phaeophyceae › Fucales › Sargassaceae

Collected by: Polloi, J.
Collector number: 5681
Date: September 10, 2002
Locality: Necker
Island: Mokumanamana
Region: Hawaii, United States
Identified by: Tsuda, R.T.
Record type: Preserved specimen

183 Bishop specimens of Sargassum polyphyllum · collected 1923–2006Species page ›

Sargassum polyphyllum observed alive in Hawaiʻi

This specimen was collected in 2002. Since 2000, iNaturalist observers have recorded 34 research-grade sightings in the wild, most recently on 2026-10-08.

Sargassum polyphyllum observed 2026-10-08

2026-10-08

Kalakaua Ave, Honolulu, HI, US

(c) jordan loftin, some rights reserved (CC BY-NC)

Sargassum polyphyllum observed 2026-10-07

2026-10-07

N Kalaheo Ave, Kailua, HI, US

(c) anemoneme, some rights reserved (CC BY-NC)

Sargassum polyphyllum observed 2026-10-06

2026-10-06

Lualualei Homestead Rd + Pokai Bay St, Waianae, HI 96792, USA

(c) maddy_wilkens, some rights reserved (CC BY-NC)

Sargassum polyphyllum observed 2025-12-15

2025-12-15

Mamala Bay, Honolulu, HI, US

(c) William Wimley, some rights reserved (CC BY-NC)

Sargassum polyphyllum observed 2025-12-06

2025-12-06

Diamond Head / Kapahulu / St. Louis Heights, Honolulu, HI, USA

(c) belyykit, some rights reserved (CC BY-NC)

Sargassum polyphyllum observed 2025-11-08

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 693656. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956444580. Accessed via explore.bishopmuseum.org/specimens/bish/693656.

Record sources

GBIF occurrence 5956444580 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026