Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus polystachyos
Bunchy flat-sedge
As recorded: Cyperus polystachyos Rottb.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Pezzillo, Z.; Henderson, R.; Morrison, L.Remy E. Henderson →Leila Morrison →Zach D. Pezzillo →
- Collector number
- 1273
- Date
- September 23, 2025
- Locality
- East Maui, Manawainui Valley (E of Kaupo gap), near back of valley in W fork, base of wall
- Island
- Maui
- Region
- Hawaii, United States
- Elevation
- 640 m
- Identified by
- Thomas, M.K.
- Record type
- Preserved specimen
Collected the same day
On September 23, 2025, Pezzillo, Z.; Henderson, R.; Morrison, L. also collected 1 other specimen.
Cyperus polystachyos observed alive in Hawaiʻi
This specimen was collected in 2025. Since 2000, iNaturalist observers have recorded 507 research-grade sightings in the wild, most recently on 2026-10-22.
2026-10-22
Crater Rim Trail, Pahoa, HI, US
(c) Lucy Breda, some rights reserved (CC BY-NC)
2026-10-15
Crater Rim Trail, Pahoa, HI, US
no rights reserved
2026-10-15
Crater Rim Trail, Pahoa, HI, US
(c) swahn, some rights reserved (CC BY-NC)
2026-10-14
Kīlauea, Pahoa, HI, US
(c) birdbirdbird, some rights reserved (CC BY-NC)
2026-10-10
Hawaii, US
(c) Brendan Stogner, some rights reserved (CC BY-NC)
2026-10-06
Kamehameha Hwy W, Aiea, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus polystachyos. BISH 803203. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 6546518305. Accessed via explore.bishopmuseum.org/specimens/bish/803203.
Record sources
- GBIF occurrence 6546518305 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026