Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyperus rotundus
Purple nutsedge
As recorded: Cyperus rotundus L.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Garber, D.W.
- Collector number
- 26
- Date
- November 1, 1919
- Locality
- Old Naval Station, Honolulu
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- Herbst, D.R.; Sohmer, S.H.; Wagner, W.L.Derral R. Herbst →Seymour H. Sohmer →Warren L. Wagner Jr. →
- Record type
- Preserved specimen
Collected the same day
On November 1, 1919, Garber, D.W. also collected 2 other specimens.
Cyperus rotundus observed alive in Hawaiʻi
This specimen was collected in 1919. Since 2000, iNaturalist observers have recorded 129 research-grade sightings in the wild, most recently on 2026-10-19.
2026-10-19
Pokole St, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-10-18
Dole St + Hale Aloha Rd, Honolulu, HI 96822, USA
no rights reserved
2026-10-12
Waialua, HI 96791, USA
no rights reserved
2026-10-03
Kalanianaole Hwy + Kuliouou Rd, Honolulu, HI 96821, USA
no rights reserved
2026-09-24
Hawaii, US
(c) makastner, some rights reserved (CC BY-NC)
2026-09-08
Kauai County, US-HI, US
(c) Rowan Willow, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus rotundus. BISH 696492. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956675634. Accessed via explore.bishopmuseum.org/specimens/bish/696492.
Record sources
- GBIF occurrence 5956675634 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026