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Cyperus haspan

Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution

BISH 495213Botany

Cyperus haspan

Haspan Flatsedge

As recorded: Cyperus haspan L.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: Corn, C.
Collector number: s.n.
Date: March 27, 1984
Locality: Puu Ohu Proposed Reservoir Site, Kohala Mts
Island: Hawaiʻi Island
Region: Hawaii, United States
Elevation: 1,097 m
Identified by: (Nom. rev.) Imada, C.
Record type: Preserved specimen

108 Bishop specimens of Cyperus haspan · collected 1908–2024Species page ›

Cyperus haspan observed alive in Hawaiʻi

This specimen was collected in 1984. Since 2000, iNaturalist observers have recorded 34 research-grade sightings in the wild, most recently on 2026-10-24.

Cyperus haspan observed 2026-10-24

2026-10-24

Manoa, Honolulu, HI, USA

no rights reserved

Cyperus haspan observed 2026-07-05

2026-07-05

United States

(c) Tara Severns, some rights reserved (CC BY)

Cyperus haspan observed 2026-02-14

2026-02-14

Nāpau Trail, Pahoa, HI, US

(c) Jason Flor Flores, some rights reserved (CC BY-NC)

Cyperus haspan observed 2026-01-07

2026-01-07

Pāhoa, HI 96778, USA

(c) yerbasanta, some rights reserved (CC BY-NC)

Cyperus haspan observed 2025-08-25

2025-08-25

United States

(c) Tara Severns, some rights reserved (CC BY)

Cyperus haspan observed 2025-08-24

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 495213. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956460753. Accessed via explore.bishopmuseum.org/specimens/bish/495213.

Record sources

GBIF occurrence 5956460753 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026