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Cyperus laevigatus

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

BISH 457081Botany

Cyperus laevigatus

Smooth Flatsedge

As recorded: Cyperus laevigatus L.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: Lamoureux, C.H.
Collector number: 1684
Date: September 5, 1961
Locality: Northeast side of lake
Island: Laysan
Region: Hawaii, United States
Identified by: Herbst, D.R.; Sohmer, S.H.; Wagner, W.L.Derral R. Herbst →Seymour H. Sohmer →Warren L. Wagner Jr. →
Record type: Preserved specimen

86 Bishop specimens of Cyperus laevigatus · collected 1864–2018Species page ›

Cyperus laevigatus observed alive in Hawaiʻi

This specimen was collected in 1961. Since 2000, iNaturalist observers have recorded 9 research-grade sightings in the wild, most recently on 2026-02-06.

Cyperus laevigatus observed 2026-02-06

2026-02-06

Kīhei, HI, US

(c) John Starmer, some rights reserved (CC BY-NC)

Cyperus laevigatus observed 2025-04-08

2025-04-08

Kalaoa, HI 96740, USA

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

Cyperus laevigatus observed 2025-04-07

2025-04-07

Kure Atoll, HI, US

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

Cyperus laevigatus observed 2023-01-13

2023-01-13

Honokohau Small Boat Harbor and Marina, Kailua-Kona, HI 96740, USA

(c) Paul Norwood, some rights reserved (CC BY-NC)

Cyperus laevigatus observed 2023-01-05

2023-01-05

Hawaiʻi, Kailua Kona, HI, US

(c) Tri Do, some rights reserved (CC BY-NC)

Cyperus laevigatus observed 2022-01-16

2022-01-16

Maui County, HI, USA

no rights reserved

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Cyperus laevigatus. BISH 457081. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956447563. Accessed via explore.bishopmuseum.org/specimens/bish/457081.

Record sources

GBIF occurrence 5956447563 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026