Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus haspan
Haspan Flatsedge
As recorded: Cyperus haspan L.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Fosberg, F.R.
- Collector number
- 51730
- Date
- December 9, 1969
- Locality
- Olaa Back Rd, upper Olaa Forest Reserve
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Elevation
- 885 m
- Identified by
- Strong, M.T.
- Record type
- Preserved specimen
Collected the same day
On December 9, 1969, Fosberg, F.R. also collected 4 other specimens.
Cyperus haspan observed alive in Hawaiʻi
This specimen was collected in 1969. Since 2000, iNaturalist observers have recorded 34 research-grade sightings in the wild, most recently on 2026-10-24.
2026-10-24
Manoa, Honolulu, HI, USA
no rights reserved
2026-07-05
United States
(c) Tara Severns, some rights reserved (CC BY)
2026-02-14
Nāpau Trail, Pahoa, HI, US
(c) Jason Flor Flores, some rights reserved (CC BY-NC)
2026-01-07
Pāhoa, HI 96778, USA
(c) yerbasanta, some rights reserved (CC BY-NC)
2025-08-25
United States
(c) Tara Severns, some rights reserved (CC BY)
2025-08-24
United States
(c) Tara Severns, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus haspan. BISH 635050. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956205096. Accessed via explore.bishopmuseum.org/specimens/bish/635050.
Record sources
- GBIF occurrence 5956205096 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026