Hawaiian Ecosystems at Risk project (HEAR)

Parthenium hysterophorus
(Asteraceae)

Santa Maria, bitterweed, carrot grass, false ragweed, feverfew, parthenium weed, ragweed parthenium, whitetop

image of Parthenium hysterophorus image of Parthenium hysterophorus image of Parthenium hysterophorus
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HEAR home  >  species info  >  plants  >  Parthenium hysterophorus (Asteraceae)
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Species description or overview Taxonomy & nomenclature Impacts Control methods
Images Distribution Full-text articles  


Species description or overview

Parthenium hysterophorus as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Parthenium hysterophorus as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

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


Taxonomy & nomenclature

GRIN nomenclature info for Parthenium hysterophorus
Nomenclatural information about Parthenium hysterophorus is provided by USDA/ARS/NGRP/GRIN.

ITIS nomenclature info for Parthenium hysterophorus
Nomenclatural information about Parthenium hysterophorus is provided by ITIS.

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


Impacts

Parthenium hysterophorus as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Parthenium hysterophorus as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

Parthenium hysterophorus (Asteraceae): species information from GCW
Information on Parthenium hysterophorus as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).


Control methods

Parthenium hysterophorus as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Parthenium hysterophorus as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

Herbicidal weed control methods for pastures and natural areas of Hawaii View info about Adobe Acrobat PDF format  new posting 
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 Parthenium hysterophorus (Asteraceae) (false ragweed, Santa Maria)
Links to high-resolution free images of Parthenium hysterophorus (Asteraceae) (false ragweed, Santa Maria) by Forest & Kim Starr (USGS) are available here.

Smithsonian Flora of the Hawaiian Islands info for Parthenium hysterophorus
plants, Hawaii, Smithsonian, Panicum antidotale

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


Distribution

Smithsonian Flora of the Hawaiian Islands info for Parthenium hysterophorus
plants, Hawaii, Smithsonian, Panicum antidotale

Parthenium hysterophorus as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Parthenium hysterophorus as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).


Full-text articles

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. ISSN: (unknown or N/A).


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