Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus javanicus
Javanese Flatsedge
As recorded: Cyperus javanicus Houtt.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Bryan, W.A.
- Collector number
- s.n.
- Date
- December 13, 1903
- Locality
- Salt Lake
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- Kennedy, B.
- Record type
- Preserved specimen
Collected the same day
On December 13, 1903, Bryan, W.A. also collected 15 other specimens.
Abutilon grandifolium
Botany
Bidens pilosa
Botany
Coix lacryma-jobi
Botany
Cordyline fruticosa
Botany
Cyperus laevigatus
Botany
Cyperus rotundus
Botany
Datura stramonium
Botany
Distimake aegyptius
Botany
Doryopteris decipiens
Botany
Erigeron sumatrensis
Botany
Setaria adhaerens
Botany
Sonchus oleraceus
Botany
Sorghum bicolor
Botany
Stictocardia tiliifolia
Botany
Talipariti tiliaceum
Botany
Cyperus javanicus observed alive in Hawaiʻi
This specimen was collected in 1903. Since 2000, iNaturalist observers have recorded 166 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)
2026-08-15
Kilauea, HI 96754, USA
(c) Dillon Freiburger, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus javanicus. BISH 117019. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956410789. Accessed via explore.bishopmuseum.org/specimens/bish/117019.
Record sources
- GBIF occurrence 5956410789 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026