Hawaiian Ecosystems at Risk project (HEAR)

Cyperus rotundus
(Cyperaceae)
cocograss, nut grass, nut sedge, purple nutsedge, red nut sedge

image of Cyperus rotundus image of Cyperus rotundus image of Cyperus rotundus
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HEAR home  >  species info  >  plants  >  Cyperus rotundus (Cyperaceae)
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Species description or overview Taxonomy & nomenclature Impacts Images
Herbarium specimens Distribution Books  

Species description or overview

Cyperus rotundus information from PIER
Information on Cyperus rotundus as relevant to Pacific Islands is provided by the Pacific Island Ecosystems at Risk project (PIER).

Taxonomy & nomenclature

GRIN nomenclature info for Cyperus rotundus
Nomenclatural information about Cyperus rotundus is provided by USDA/ARS/NGRP/GRIN.

ITIS nomenclature info for Cyperus rotundus
Nomenclatural information about Cyperus rotundus is provided by ITIS.

IPNI nomenclature info for Cyperus rotundus
Nomenclatural information about Cyperus rotundus is provided by The International Plant Names Index (IPNI).

Impacts

Cyperus rotundus (Cyperaceae): species information from GCW
Information on Cyperus rotundus as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).

Images

Images of Cyperus rotundus (Cyperaceae) (purple nut sedge)
Links to high-resolution free images of Cyperus rotundus (Cyperaceae) (purple nut sedge) by Forest & Kim Starr (USGS) are available here.

Smithsonian Flora of the Hawaiian Islands info for Cyperus rotundus
Mixed Rights

Cyperus rotundus images from PIER
Images of Cyperus rotundus provided by the Pacific Island Ecosystems at Risk project (PIER).

Herbarium specimens

Images of voucher specimens for Cyperus rotundus from the herbarium of Kalaupapa National Historical Park (Molokai, Hawaii, USA)
Images of voucher specimens of Cyperus rotundus from the herbarium of Kalaupapa National Historical Park (Molokai, Hawaii, USA) are available online.

Distribution

Smithsonian Flora of the Hawaiian Islands info for Cyperus rotundus
Mixed Rights

Books

Weed handbook of Western Polynesia
Whistler, W. Arthur. 1983. Weed handbook of Western Polynesia. Eschborn: Deutsche Gesellschaft f#r Technische Zusammenarbeit (GTZ) GmbH. ISBN: 3-88085-227-8. ISSN: (unknown or N/A).

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The Hawaiian Ecosystems at Risk (HEAR) project is currently funded by the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII) through PIERC (USGS) with support from HCSU (UH-Hilo). More details are available online. Pacific Basin Information Node (PBIN) National Biological Information Infrastructure (NBII)
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