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Cyperus sphacelatus

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

BISH 788401Botany

Cyperus sphacelatus

Roadside Flatsedge

As recorded: Cyperus sphacelatus Rottb.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: Faccenda, K.
Collector number: 2776
Date: October 23, 2022
Locality: Hana, Waikoloa Road leading to landfill. Outside landfill entrance
Island: Maui
Region: Hawaii, United States
Elevation: 23 m
Record type: Preserved specimen

14 Bishop specimens of Cyperus sphacelatus · collected 1973–2023Species page ›

Cyperus sphacelatus observed alive in Hawaiʻi

This specimen was collected in 2022. Since 2000, iNaturalist observers have recorded 46 research-grade sightings in the wild, most recently on 2026-09-05.

Cyperus sphacelatus observed 2026-09-05

2026-09-05

Kinoole St, Hilo, HI, US

(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)

Cyperus sphacelatus observed 2026-06-01

2026-06-01

Kelipio Pl, Hilo, HI, US

(c) Carlos/Giancarla Ross (AnimeBirder), some rights reserved (CC BY-NC)

Cyperus sphacelatus observed 2026-05-26

2026-05-26

Kaʻiminani Dr, Kalaoa, HI, US

(c) Carlos/Giancarla Ross (AnimeBirder), some rights reserved (CC BY-NC)

Cyperus sphacelatus observed 2026-03-30

2026-03-30

Hawaii Belt Rd, Hilo, HI, US

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

Cyperus sphacelatus observed 2026-03-30

2026-03-30

Ahiahi St, Kalaoa, HI, US

(c) Carlos/Giancarla Ross (AnimeBirder), some rights reserved (CC BY-NC)

Cyperus sphacelatus observed 2026-03-12

2026-03-12

Pāhoa, HI 96778, USA

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

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

Cite this specimen

Cyperus sphacelatus. BISH 788401. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956593910. Accessed via explore.bishopmuseum.org/specimens/bish/788401.

Record sources

GBIF occurrence 5956593910 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026