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Cyperus rotundus

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

BISH 434734Botany

Cyperus rotundus

Purple nutsedge

As recorded: Cyperus rotundus L.

Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae

Collected by: Sohmer, S.H.
Collector number: 8183
Date: October 6, 1973
Locality: Anuradhapra distr.; Grounds at Habarana Rest House. N Central Province
Region: Sri Lanka
Identified by: Koyama, T.
Record type: Preserved specimen

157 Bishop specimens of Cyperus rotundus · collected 1893–2022Species page ›

Cyperus rotundus observed alive

This specimen was collected in 1973. Since 2000, iNaturalist observers have recorded 3,650 research-grade sightings in the wild, most recently on 2026-10-27.

Cyperus rotundus observed 2026-10-27

2026-10-27

N First St, Midlothian, TX, US

(c) Sam Kieschnick, some rights reserved (CC BY)

Cyperus rotundus observed 2026-10-26

2026-10-26

Maple St, Denton, TX, US

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

Cyperus rotundus observed 2026-10-26

2026-10-26

Country Lake Park, Hialeah, FL, US

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

Cyperus rotundus observed 2026-10-26

2026-10-26

E Saint Francis Ave, Alton, TX, US

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

Cyperus rotundus observed 2026-10-25

2026-10-25

Bastrop

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

Cyperus rotundus observed 2026-10-25

2026-10-25

MGC3+V9, El Radar, 70902 Puerto Ángel, Oax., México

(c) Angie Judith, some rights reserved (CC BY-NC)

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

Cite this specimen

Cyperus rotundus. BISH 434734. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956309040. Accessed via explore.bishopmuseum.org/specimens/bish/434734.

Record sources

GBIF occurrence 5956309040 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026