Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Halimeda opuntia
watercress alga
As recorded: Halimeda opuntia (L.) J.V.Lamour.
Plantae › Chlorophyta › Ulvophyceae › Bryopsidales › Halimedaceae
- Collected by
- Smith, G.M.
- Collector number
- 47-104A
- Date
- July 1, 1947
- Locality
- about 8 km. West-northwest of Bikini Island
- Island
- Bikini Atoll
- Region
- Marshall Islands
- Record type
- Preserved specimen
Collected the same day
On July 1, 1947, Smith, G.M. also collected 6 other specimens.
Halimeda opuntia observed alive
This specimen was collected in 1947. Since 2000, iNaturalist observers have recorded 25 research-grade sightings in the wild, most recently on 2026-04-27.
2026-04-27
Curaçao
(c) emmaalves, some rights reserved (CC BY-NC)
2025-05-07
Pigeon Island, Sri Lanka
(c) Linda, some rights reserved (CC BY-NC)
2025-05-03
(c) Sue, some rights reserved (CC BY-NC)
2024-12-29
El Qoseir, Red Sea Governorate, Egypte
(c) Marleen Schouten, some rights reserved (CC BY-NC)
2024-01-03
Fisherman's Rock, North Sound, Grand Cayman
(c) spirula, some rights reserved (CC BY-NC)
2023-09-13
Bonaire, Lac Bay, Caribbean Netherlands
(c) Jay Brasher, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Halimeda opuntia. BISH 547758. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956170090. Accessed via explore.bishopmuseum.org/specimens/bish/547758.
Record sources
- GBIF occurrence 5956170090 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026