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Cyperus polystachyos

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

BISH 681096Botany

Cyperus polystachyos

Bunchy flat-sedge

As recorded: Cyperus polystachyos Rottb.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: Forbes, C.N.
Collector number: 392.Mo
Date: August 1, 1912
Locality: Manawai
Island: Molokaʻi
Region: Hawaii, United States
Coordinates: 21.0827, -156.8440 ± 2,334 m
Identified by: (Nom. rev.) Kennedy, B.
Record type: Preserved specimen

407 Bishop specimens of Cyperus polystachyos · collected 1851–2025Species page ›

Where it was collected

Still here: Cyperus polystachyos observed near this locality

This specimen was collected in 1912. Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild within 25 km, most recently on 2026-09-22.

Cyperus polystachyos observed 2026-09-22

2026-09-22

Kaunakakai, HI, US

(c) Victor Rogers-Phillips, some rights reserved (CC BY-NC)

Cyperus polystachyos observed 2025-04-14

2025-04-14

Hawaii, US

(c) Spencer Len Pote, some rights reserved (CC BY-NC)

Cyperus polystachyos observed 2024-04-11

2024-04-11

Maui County, US-HI, US

(c) zspyk007, some rights reserved (CC BY-NC)

Cyperus polystachyos observed 2022-12-28

2022-12-28

Maui, Hawaii, United States

(c) Kevin Faccenda, some rights reserved (CC BY)

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

Cite this specimen

Cyperus polystachyos. BISH 681096. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956151061. Accessed via explore.bishopmuseum.org/specimens/bish/681096.

Record sources

GBIF occurrence 5956151061 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026