Hawaiian Ecosystems at Risk project (HEAR)

Emex spinosa
(Polygonaceae)

 
image of Emex spinosa image of Emex spinosa
MORE IMAGES
HEAR home  >  species info  >  plants  >  Emex spinosa (Polygonaceae)
(hints)
Species description or overview Taxonomy & nomenclature Impacts Control methods
Images Distribution Books Full-text articles

Let us know if you have suggestions for additional references to add to this page.


Species description or overview

Emex spinosa information from CTAHR (Motooka et al.) View info about Adobe Acrobat PDF format
Information about Emex spinosa from "Weeds of Hawaii's pastures and natural areas: an identification and management guide" (Motooka et al. 2003) is provided by the University of Hawaii's College of Tropical Agriculture and Human Resources (CTAHR).

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


Taxonomy & nomenclature

GRIN nomenclature info for Emex spinosa
Nomenclatural information about Emex spinosa is provided by USDA/ARS/NGRP/GRIN.

Emex spinosa information from the Smithsonian's Flora of the Hawaiian Islands
Information about Emex spinosa--including nomenclature and synonymy, and status and distribution in Hawaii--is provided by the "Flora of the Hawaiian Islands" website of the Smithsonian National Museum of Natural History. Links from this page include descriptive information about the species, as well as worldwide distributional information and general information about the genus.

Emex spinosa information from ITIS
The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Emex spinosa, as well as other plants, animals, fungi, and microbes of North America and the world.

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


Impacts

Emex spinosa (Polygonaceae): species information from GCW
Information on Emex spinosa as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).


Control methods

Emex spinosa information from CTAHR (Motooka et al.) View info about Adobe Acrobat PDF format
Information about Emex spinosa from "Weeds of Hawaii's pastures and natural areas: an identification and management guide" (Motooka et al. 2003) is provided by the University of Hawaii's College of Tropical Agriculture and Human Resources (CTAHR).

Herbicidal weed control methods for pastures and natural areas of Hawaii View info about Adobe Acrobat PDF format
This comprehensive review of herbicide application methods includes calculations for formulations, and appendices listing herbicides registered for use in Hawaii and their toxicities (University of Hawaii, 2002).


Images

Images of Emex spinosa (Polygonaceae) (spiny emex, devil's thorn, prickly doc)
Links to high-resolution free images of Emex spinosa (Polygonaceae) (spiny emex, devil's thorn, prickly doc) by Forest & Kim Starr (USGS) are available here.

Emex spinosa information from the Smithsonian Flora of the Hawaiian Islands
Information about Emex spinosa in Hawaii is available from the Smithsonian Flora of the Hawaiian Islands.

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


Distribution

Emex spinosa information from the Smithsonian Flora of the Hawaiian Islands
Information about Emex spinosa in Hawaii is available from the Smithsonian Flora of the Hawaiian Islands.

Emex spinosa information from the Smithsonian's Flora of the Hawaiian Islands
Information about Emex spinosa--including nomenclature and synonymy, and status and distribution in Hawaii--is provided by the "Flora of the Hawaiian Islands" website of the Smithsonian National Museum of Natural History. Links from this page include descriptive information about the species, as well as worldwide distributional information and general information about the genus.


Books

Weeds of Hawaii's Pastures and Natural Areas: An Identification and Management Guide
Motooka, Philip, Luisa Castro, Duane Nelson, Guy Nagai, and Lincoln Ching. 2003. Weeds of Hawaii's Pastures and Natural Areas: An Identification and Management Guide. College of Tropical Agriculture and Human Resources (University of Hawaii--Manoa), Honolulu. 184 pp. color illus. ISBN: 1-929325-14-2.


Full-text articles

Alien plant invasions in native ecosystems of Hawaii: Management and research
Stone, Charles P., Clifford W. Smith, and J. Timothy Tunison (eds.) . 1992. Alien plant invasions in native ecosystems of Hawaii: Management and research. Honolulu: University of Hawaii Cooperative National Park Resources Studies Unit. ISBN: 0-8248-1474-6.

Weeds of Hawaii's Pastures and Natural Areas: An Identification and Management Guide
Motooka, Philip, Luisa Castro, Duane Nelson, Guy Nagai, and Lincoln Ching. 2003. Weeds of Hawaii's Pastures and Natural Areas: An Identification and Management Guide. College of Tropical Agriculture and Human Resources (University of Hawaii--Manoa), Honolulu. 184 pp. color illus. ISBN: 1-929325-14-2.

Proceedings of workshop on biological control of native ecosystems in Hawaii
Smith, Clifford W., Julie Denslow, and Stephen Hight (eds.) . 2002. Proceedings of workshop on biological control of native ecosystems in Hawaii. Pacific Cooperative Studies Unit (University of Hawaii at Manoa, Department of Botany) Technical Report 129. 122 pages.

Setting priorities for the biological control of weeds: what to do and how to do it
Myers, Judith H. and Jessica Ware. 2002. Setting priorities for the biological control of weeds: what to do and how to do it. pp. 62-74 in Smith, Clifford W., Julie Denslow, and Stephen Hight (eds). 2002. Proceedings of workshop on biological control of native ecosystems in Hawaii. Pacific Cooperative Studies Unit (University of Hawaii at Manoa, Department of Botany) Technical Report 129. 122 pages. from http://www.botany.hawaii.edu/faculty/duffy/techr/129.pdf accessed 16 March 2008.


PDF icon Some documents posted on the HEAR website are in Adobe Acrobat PDF format. If your computer is not already set up to read these files, you can download the FREE Adobe Acrobat reader. You can set up most web browsers to automatically invoke this reader (as a "helper application" or "add-in") upon encountering documents of this type (refer to your browser's documentation for how to do this). download Acrobat reader


The Hawaiian Ecosystems at Risk (HEAR) project was historically 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)

species lists  ]    [  plants  ]    [  HEAR home  ]

Comments?  Questions?  Send e-mail to: webmaster@hear.org

The content of this page is based on information last generated on 15 October 2017 by PT. The template for this page was created on 15 March 2004 by EMS, and was last updated on 20 February 2006 by PT. Valid HTML 4.01!