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Ludwigia uruguayensis (Camb.) Hara
Uruguayan primrose-willow
Symbol: LUUR
Group: Dicot
Family: Onagraceae
Growth Habit: Subshrub
Shrub
Forb/herb
Duration: Perennial
U.S. Nativity: Introduced
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Click on this Photograph of Ludwigia uruguayensis (Uruguayan primrose-willow) to enlarge it and download a high-resolution JPEG file ©Larry Allain. USGS NWRC. Usage Guidelines.

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Classification Distribution Images Invasive Links More Info Noxious Related Taxa Synonyms Wetland
Plant Images:

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Plant Synonyms:
LUUR Ludwigia uruguayensis (Camb.) Hara
 

JUGR5

Jussiaea grandiflora Michx., non Ruiz & Pavón
 

JUMI4

Jussiaea michauxiana Fern. (excl. type)
 

JUREG3

Jussiaea repens L. var. grandiflora M. Micheli
 

JUUR2

Jussiaea uruguayensis Camb.
 

LUGR9

Ludwigia grandiflora (M. Micheli) Greuter & Burdet
 

LUHE5

Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu & Raven
 

LUURM

Ludwigia uruguayensis (Camb.) Hara var. ?major (Hassler) Munz
More Information
About Uruguayan primrose-willow

Link to plant Classification report for Ludwigia uruguayensis

Plant source and reference for Ludwigia uruguayensis

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State Distributional Map for LUUR
© Image generated using gd 1.8
Plant Distribution by State

Ludwigia uruguayensis (Camb.) Hara

LUUR

See county distributions for the following states by clicking on them below or on the map.

AR CA FL*
GA MO NC
SC TN* VA
WV
* Offsite source.
Alabama
Arkansas
California
Florida
Georgia
Kentucky
Louisiana
Mississippi
Missouri
New Jersey
New York
North Carolina
Oklahoma
Oregon
Pennsylvania
South Carolina
Tennessee
Texas
Virginia
Washington
West Virginia

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North Carolina distribution information West Virginia distribution information Virginia distribution information California distribution information Missouri distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium Arkansas distribution information South Carolina distribution information Georgia distribution information Florida distribution information linked offsite at USF Atlas of Florida Vascular Plants
Related Taxa:
Ludwigia uruguayensis (Camb.) Hara

View 12 genera in Onagraceae, 33 species in Ludwigia

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Classification:
Ludwigia uruguayensis (Camb.) Hara

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
    Kingdom Plantae – Plants
       Subkingdom Tracheobionta – Vascular plants
          Superdivision Spermatophyta – Seed plants
             Division Magnoliophyta – Flowering plants
                Class Magnoliopsida – Dicotyledons
                   Subclass Rosidae –
                      Order Myrtales –
                         Family Onagraceae – Evening Primrose family
                            Genus Ludwigia L. – primrose-willow
                               Species Ludwigia uruguayensis (Camb.) Hara – Uruguayan primrose-willow

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Noxious Weed Information:
Ludwigia uruguayensis (Camb.) Hara
This plant and the synonyms italicized and indented below are listed by the U. S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location.
North Carolina:
    Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu & Raven
        Uraguay waterprimrose     Class B noxious weed
South Carolina:
        Uruguay primrose     Plant pest
    Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu & Raven
        water primrose     Invasive aquatic plant
        water primrose     Plant pest
Washington:
    Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu & Raven
        water primrose     Class B noxious weed
        water primrose     Wetland and aquatic weed quarantine

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Invasive Information:
Ludwigia uruguayensis (Camb.) Hara
        Uruguay waterprimrose
        hairy water-primrose
    Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu & Raven
        Uraguay waterprimrose
This plant and the synonym italicized and indented above are listed as invasive weeds by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.
STATE   Assorted authors. 200_. State Noxious Weed Lists for 45 States. State agriculture or natural resource departments.
 
SEEPPC   Southeast Exotic Pest Plant Council. 1996. Invasive Exotic Pest Plants in Tennessee (http://www.se-eppc.org/states/TN/TNIList.html, October 19, 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.
 

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Introduced Information:
Ludwigia uruguayensis (Camb.) Hara
This plant is introduced to the United States from another country or countries. Click on link below for a partial or complete list of U.S. introduced plants.

List of Invasive PlantsScientific Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
List of Invasive PlantsCommon Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
Note: The complete introduced plant report is 1.4 MB. Download and display times may take 3 to 12 minutes depending on your internet connection, internet traffic, your computer and browser. It may appear your computer has locked up. Task manager may report that Netscape is 'Not Responding'. Typically, Netscape is formatting the report for display, and if you are patient, the final report will appear.

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Wetland Indicator Status:
Ludwigia uruguayensis (Camb.) Hara
Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
OBL OBL OBL OBL NO NO OBL NO NO OBL OBL NO NO NO

Wetland Data InformationInterpreting wetland indicator status

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Other Species Accounts and Images:
Ludwigia uruguayensis (Camb.) Hara

View species account from USF Atlas of Florida Vascular Plants.
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 27365.
View photographs from University of Tennessee Herbarium.

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Related Web Sites:
Ludwigia uruguayensis (Camb.) Hara

    NC-Aquatic Weed Fact Sheet (NCSU)
    North Carolina Agriculture and Consumer Services: Weed Regulatory Services
    TX-Aquaplant-Emergent Plants (TAES)
    WA-King County Noxious Weeds
    WA-NonNative Freshwater Plants
    Western Aquatic Plant Management Society

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