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
- Dawson, E.Y.
- Collector number
- EYD7301
- Date
- May 4, 1949
- Locality
- Biscayne Bay, Biscayne Key, Miami Oolite reef
- Region
- Florida, United States
- Identified by
- Taylor, W.R.
- Record type
- Preserved specimen
Collected the same day
On May 4, 1949, Dawson, E.Y. also collected 17 other specimens.
Alsidium helminthochorton
Botany
Caulerpa fastigiata
Botany
Caulerpa racemosa
Botany
Caulerpa verticillata
Botany
Chaetomorpha brachygona
Botany
Cladophora albida
Botany
Cladophoropsis membranacea
Botany
Ganonema farinosum
Botany
Gelidium americanum
Botany
Halimeda incrassata
Botany
Halimeda tuna
Botany
Halodule pinifolia
Botany
Murrayella periclados
Botany
Murrayella periclados
Botany
Palisada perforata
Botany
Spyridia filamentosa
Botany
Wrangelia penicillata
Botany
Halimeda opuntia observed alive
This specimen was collected in 1949. 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 547724. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956305293. Accessed via explore.bishopmuseum.org/specimens/bish/547724.
Record sources
- GBIF occurrence 5956305293 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026