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
- McDermid, K.J.
- Collector number
- KM4109
- Date
- August 8, 1996
- Locality
- Dau Rei Rei (large man-made island); lagoon patch reefs
- Island
- Pohnpei
- Region
- Micronesia
- Identified by
- McDermid, K.
- Record type
- Preserved specimen
Collected the same day
On August 8, 1996, McDermid, K.J. also collected 11 other specimens.
Halimeda opuntia observed alive
This specimen was collected in 1996. 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 682061. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956553882. Accessed via explore.bishopmuseum.org/specimens/bish/682061.
Record sources
- GBIF occurrence 5956553882 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026