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
- Rock, J.F.C.
- Collector number
- 8744a
- Date
- June 1, 1910
- Locality
- Kawaihae
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Coordinates
- 20.0333, -155.8333
- Identified by
- (Nom. rev.) Kennedy, B.
- Record type
- Preserved specimen
Where it was collected
Collected the same day
On June 1, 1910, Rock, J.F.C. also collected 24+ other specimens.
Acacia koa
Botany
Adenostemma viscosum
Botany
Alphitonia ponderosa
Botany
Asplenium peruvianum
Botany
Astelia menziesiana
Botany
Asteraceae
Botany
Asteraceae
Botany
Asteraceae
Botany
Batis maritima
Botany
Bidens hillebrandiana
Botany
Bidens menziesii
Botany
Bidens menziesii
Botany
Bidens menziesii
Botany
Bidens menziesii
Botany
Bromus diandrus
Botany
Bromus diandrus
Botany
Carex uncinata
Botany
Carex wahuensis
Botany
Ceodes brunoniana
Botany
Cerastium holosteoides
Botany
Cheirodendron trigynum
Botany
Clermontia calophylla
Botany
Clermontia calophylla
Botany
Clermontia parviflora
Botany
Still here: Cyperus polystachyos observed near this locality
This specimen was collected in 1910. Since 2000, iNaturalist observers have recorded 10 research-grade sightings in the wild within 25 km, most recently on 2026-04-21.
2026-04-21
Waikoloa Rd, Waikoloa, HI, US
(c) Jason Flor Flores, some rights reserved (CC BY-NC)
2026-02-18
Waimea, HI 96743, USA
(c) Anders Hastings, some rights reserved (CC BY)
2026-02-18
Waimea, HI 96743, USA
(c) Anders Hastings, some rights reserved (CC BY)
2026-02-18
Waimea, HI 96743, USA
(c) Anders Hastings, some rights reserved (CC BY)
2026-01-21
Pololu Trail, Kamuela, HI, US
(c) Jason Flor Flores, some rights reserved (CC BY-NC)
2024-07-28
Pololū Stream, Kamuela, HI, US
(c) Graham Steinruck, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus polystachyos. BISH 681093. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956323368. Accessed via explore.bishopmuseum.org/specimens/bish/681093.
Record sources
- GBIF occurrence 5956323368 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026