
Sargassum polyphyllum
Photo: (c) kg33, some rights reserved (CC BY-NC) (iNaturalist)
183
Bishop specimens
0
Type specimens
1923
First collected
2006
Last collected
2026
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Sargassum polyphyllum, most mentions first.
2002
Nonindigenous marine species at Waikiki and Hawaii Kai, O‘ahu, Hawai‘iColes, S.L., R.C. DeFelice & L.G. Eldredge · Contribution to the Hawaii Biological Survey · 3 pages
2004
Assessment of nonindigenous species on coral reefs in the Hawaiian Islands, with emphasis on introduced invertebratesColes, S.L., L.G. Eldredge, F. Kandel, P.R. Reath & K. Longenecker · Contribution to the Hawaii Biological Survey · 2 pages
2002
Nonindigenous marine species in Kane‘ohe Bay, O‘ahu, Hawai‘iColes, S.L., R.C. DeFelice & L.G. Eldredge · Contribution to the Hawaii Biological Survey · 2 pages
1998
Determination of baseline conditions for introduced marine species in nearshore waters of the of Kahoolawe, HawaiiColes, S.L., R.C. DeFelice, J.E. Smith, D. Muir & L.G. Eldredge · Contribution to the Hawaii Biological Survey · 2 pages
2020
Marine benthic algae from Ni‘ihau and adjacent Lehua Islet, Main Hawaiian IslandsTsuda, R.T., Abbott, I.A., Spalding, H.L., Giuseffi, L.M., Okano, R., Kennedy, B.H. & Sherwood, A.R. · Contribution to the Hawaii Biological Survey · 1 page
2019
Records of the Hawaii Biological Survey for 2019: VolumeEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
2018
New species records and voucher specimens of marine benthic algae from Kah‘olawe, main Hawaiian IslandsTsuda, R.T. & Abbott, I.A. · Contribution to the Hawaii Biological Survey · 1 page
2017
Records of the Hawaii Biological Survey for 2017: VolumeEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
Where Bishop collected it
146 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
The oldest Bishop specimen was collected in 1923 by Tanager Expedition (Laysan).
From the collection
Alive today
34 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.

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

2025-06-28
Diamond Head Rd + Diamond Head Lighthouse, Honolulu, HI 96815, USA
no rights reserved

2025-04-25
Kaimana Beach, Honolulu, HI, US
(c) Kathryn (Rayne) Pease Hateley, some rights reserved (CC BY-NC)
