BISH 1000124Botany

Cyperus polystachyos

Bunchy flat-sedge

As recorded: Pycreus polystachyos (Rottb.) P.Beauv.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: Herbst, D.R.
Collector number: 7160
Date: May 14, 1983
Locality: Apra Harbor; Cabras Island. On the 'islets' southeast of the power plant
Island: Guam
Elevation: 3 m
Identified by: Herbst, D.R.
Record type: Preserved specimen

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

Collected the same day

On May 14, 1983, Herbst, D.R. also collected 24+ other specimens.

Cyperus polystachyos observed alive

This specimen was collected in 1983. Since 2000, iNaturalist observers have recorded 4,160 research-grade sightings in the wild, most recently on 2026-10-26.

2026-10-26

Davie, FL, US

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

2026-10-26

NW 170th St, Hialeah, FL, US

(c) James K. Wetterer, some rights reserved (CC BY-NC)

2026-10-22

Crater Rim Trail, Pahoa, HI, US

(c) Lucy Breda, some rights reserved (CC BY-NC)

2026-10-22

Florida, US

(c) V. Crouton, some rights reserved (CC BY-NC-ND)

2026-10-22

Saint Cloud, FL, US

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

2026-10-18

SR-520 W, Christmas, FL, US

(c) James K. Wetterer, some rights reserved (CC BY-NC)

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

Cite this specimen

Cyperus polystachyos. BISH 1000124. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956557999. Accessed via explore.bishopmuseum.org/specimens/bish/1000124.

Record sources

GBIF occurrence 5956557999 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026