Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus polystachyos
Bunchy flat-sedge
As recorded: Cyperus polystachyos Rottb.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Montgomery, S.
- Collector number
- s.n.
- Date
- May 27, 1997
- Locality
- Lehua Islet, N of Niihau
- Island
- Niʻihau
- Region
- Hawaii, United States
- Elevation
- 27 m
- Identified by
- Faccenda, K.
- Record type
- Preserved specimen
Collected the same day
On May 27, 1997, Montgomery, S. also collected 7 other specimens.
Cyperus polystachyos observed alive in Hawaiʻi
This specimen was collected in 1997. Since 2000, iNaturalist observers have recorded 507 research-grade sightings in the wild, most recently on 2026-10-22.
2026-10-22
Crater Rim Trail, Pahoa, HI, US
(c) Lucy Breda, some rights reserved (CC BY-NC)
2026-10-15
Crater Rim Trail, Pahoa, HI, US
no rights reserved
2026-10-15
Crater Rim Trail, Pahoa, HI, US
(c) swahn, some rights reserved (CC BY-NC)
2026-10-14
Kīlauea, Pahoa, HI, US
(c) birdbirdbird, some rights reserved (CC BY-NC)
2026-10-10
Hawaii, US
(c) Brendan Stogner, some rights reserved (CC BY-NC)
2026-10-06
Kamehameha Hwy W, Aiea, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus polystachyos. BISH 778145. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956261039. Accessed via explore.bishopmuseum.org/specimens/bish/778145.
Record sources
- GBIF occurrence 5956261039 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026