Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus sandwicensis
cliffs flatsedge
As recorded: Cyperus sandwicensis Kük.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- VanDeMark, J.; Loo, R.; Barclay, B.; Iaea, T.B. Barclay →Tyler N. Iaea →Reid Loo →J. VanDeMark →
- Collector number
- 62
- Date
- September 28, 2023
- Locality
- Ahupuaa Valley, North Kohala
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Elevation
- 244 m
- Identified by
- VanDeMark, J.
- Record type
- Preserved specimen
Collected the same day
On September 28, 2023, VanDeMark, J.; Loo, R.; Barclay, B.; Iaea, T. also collected 1 other specimen.
Cyperus sandwicensis observed alive in Hawaiʻi
This specimen was collected in 2023. Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild, most recently on 2026-05-29.

2026-05-29
Hawaii, US
(c) Brendan Stogner, some rights reserved (CC BY-NC)

2015-03-03
Hawaii, US
(c) Kenneth R. Wood (NTBG), some rights reserved (CC BY-NC)

2013-04-03
Hawaii, US
(c) Kenneth R. Wood (NTBG), some rights reserved (CC BY-NC)

2009-05-12
Maui County, US-HI, US
(c) Kenneth R. Wood (NTBG), some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus sandwicensis. BISH 798534. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956416138. Accessed via explore.bishopmuseum.org/specimens/bish/798534.
Record sources
- GBIF occurrence 5956416138 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
