BISH 421962Botany

Cyperus javanicus

Javanese Flatsedge

As recorded: Cyperus javanicus Houtt.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: St.John, H.; Cowan, R.S.R.S. Cowan →Harold St.John →
Collector number: 22124
Date: September 9, 1946
Locality: Ebon Is.
Island: Ebon Atoll
Region: Marshall Islands
Record type: Preserved specimen

400 Bishop specimens of Cyperus javanicus · collected 1852–2013Species page ›

Collected the same day

On September 9, 1946, St.John, H.; Cowan, R.S. also collected 24+ other specimens.

Cyperus javanicus observed alive

This specimen was collected in 1946. Since 2000, iNaturalist observers have recorded 428 research-grade sightings in the wild, most recently on 2026-10-06.

2026-10-06

Waipahu, HI, US

(c) Ean Schiffman, some rights reserved (CC BY-NC)

2026-09-15

Rodgers Blvd, Honolulu, HI, US

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

2026-09-14

Kamehameha Hwy, Honolulu, HI, US

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

2026-09-12

Hawaii, US

(c) Brendan Stogner, some rights reserved (CC BY-NC)

2026-09-05

Heno Pl, ʻĀhuimanu, HI, US

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

2026-08-21

943台灣屏東縣獅子鄉竹坑村辦公處

(c) vrxz, some rights reserved (CC BY-SA)

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

Cite this specimen

Cyperus javanicus. BISH 421962. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956646440. Accessed via explore.bishopmuseum.org/specimens/bish/421962.

Record sources

GBIF occurrence 5956646440 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026