Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus sphacelatus
Roadside Flatsedge
As recorded: Cyperus sphacelatus Rottb.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Starr, F.; Starr, K.Forest Starr →Kim Starr →
- Collector number
- 230315-01
- Date
- March 15, 2023
- Locality
- East Maui, Kaupo, along roadside.
- Island
- Maui
- Region
- Hawaii, United States
- Elevation
- 91 m
- Identified by
- k. Faccenda
- Record type
- Preserved specimen
Collected the same day
On March 15, 2023, Starr, F.; Starr, K. also collected 2 other specimens.
Cyperus sphacelatus observed alive in Hawaiʻi
This specimen was collected in 2023. Since 2000, iNaturalist observers have recorded 46 research-grade sightings in the wild, most recently on 2026-09-05.
2026-09-05
Kinoole St, Hilo, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
2026-06-01
Kelipio Pl, Hilo, HI, US
(c) Carlos/Giancarla Ross (AnimeBirder), some rights reserved (CC BY-NC)
2026-05-26
Kaʻiminani Dr, Kalaoa, HI, US
(c) Carlos/Giancarla Ross (AnimeBirder), some rights reserved (CC BY-NC)
2026-03-30
Hawaii Belt Rd, Hilo, HI, US
(c) ellynbitume, some rights reserved (CC BY-NC)
2026-03-30
Ahiahi St, Kalaoa, HI, US
(c) Carlos/Giancarla Ross (AnimeBirder), some rights reserved (CC BY-NC)
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 800142. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956250591. Accessed via explore.bishopmuseum.org/specimens/bish/800142.
Record sources
- GBIF occurrence 5956250591 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026