Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Halimeda gracilis
As recorded: Halimeda gracilis Harv.
Plantae › Chlorophyta › Ulvophyceae › Bryopsidales › Halimedaceae
- Collected by
- Horwitz, L.
- Collector number
- 9528
- Date
- August 14, 1951
- Locality
- from cranny about 20 ft, from reef edge on ocean side
- Island
- Ine Island
- Region
- Micronesia
- Identified by
- Colinvaux, L.H.
- Record type
- Preserved specimen
Collected the same day
On August 14, 1951, Horwitz, L. also collected 16 other specimens.
Halimeda gracilis observed alive
This specimen was collected in 1951. Since 2000, iNaturalist observers have recorded 6 research-grade sightings in the wild, most recently on 2025-11-25.

2025-11-25
Colombo -Matara Road, Southern Province, LK
(c) Luis de Ossorno, some rights reserved (CC BY-NC)

2025-07-14
Galle, Sri Lanka
(c) Floyd E. Hayes, some rights reserved (CC BY-NC)

2025-07-14
Galle, Sri Lanka
(c) Floyd E. Hayes, some rights reserved (CC BY-NC)

2025-03-07
Koggala Beach Park, 南部省, LK
(c) naturalistchu, some rights reserved (CC BY-NC)

2025-01-21
Weligama, LK-MH, LK
(c) Vsevolod Rudyi, some rights reserved (CC BY)

2017-01-15
Hinchinbrook, QLD, Australia
(c) Matthew Connors, some rights reserved (CC BY-NC-SA)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Halimeda gracilis. BISH 547045. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956359293. Accessed via explore.bishopmuseum.org/specimens/bish/547045.
Record sources
- GBIF occurrence 5956359293 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
