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Centaurea solstitialis L.
yellow star-thistle
Symbol: CESO3
Group: Dicot
Family: Asteraceae
Growth Habit: Forb/herb
Duration: Annual
U.S. Nativity: Introduced
Click on the image below to download a high-resolution JPEG file.
Click on this Photograph of Centaurea solstitialis (yellow star-thistle) to download a high-resolution JPEG file Brother Alfred Brousseau. Courtesy of St. Mary's College of California. ©St. Mary's College of California. Usage Guidelines.

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Plant Synonyms:
CESO3 Centaurea solstitialis L.
 

LESO10

Leucantha solstitialis (L.) A.& D. Löve
More Information
About yellow star-thistle

Link to plant Classification report for Centaurea solstitialis

Plant source and reference for Centaurea solstitialis

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State Distributional Map for CESO3
© Image generated using gd 1.8
Plant Distribution by State

Centaurea solstitialis L.

CESO3

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

CA IL IA
KS KY MA
MI MO NH
NC ND TN*
UT* VA WV
WI*
* Offsite source.
Arizona
California
Colorado
Connecticut
Delaware
Florida
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Maryland
Massachusetts
Michigan
Minnesota
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Virginia
Washington
West Virginia
Wisconsin
Wyoming

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Kansas distribution information Massachusetts distribution information Michigan distribution information North Carolina distribution information New Hampshire distribution information Illinois distribution information Utah distribution information linked offsite at Utah State University West Virginia distribution information Wisconsin distribution information linked offsite at University of Wisconsin Madison North Dakota distribution information Virginia distribution information Kentucky distribution information California distribution information Missouri distribution information Iowa distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium
Related Taxa:
Centaurea solstitialis L.

View 440 genera in Asteraceae, 33 species in Centaurea

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Classification:
Centaurea solstitialis L.

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 Asteridae –
                      Order Asterales –
                         Family Asteraceae – Aster family
                            Genus Centaurea L. – knapweed
                               Species Centaurea solstitialis L. – yellow star-thistle

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Noxious Weed Information:
Centaurea solstitialis L.
This plant is 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.
Arizona:
        yellow starthistle, St. Barnaby's thistle     Prohibited noxious weed
        yellow starthistle     Restricted noxious weed
California:
        yellow starthistle     C list (noxious weeds)
Colorado:
        yellow starthistle     Noxious weed
Idaho:
        yellow starthistle     Noxious weed
Montana:
        yellow starthistle     Category 3 noxious weed
Nevada:
        yellow starthistle     Noxious weed
New Mexico:
        yellow starthistle     Class A noxious weed
North Dakota:
        yellow starthistle     Noxious weed
Oregon:
        yellow starthistle     "B" designated weed
        yellow starthistle     Quarantine
South Dakota:
        yellow starthistle     Regulated non-native plant species
Utah:
        yellow starthistle     Noxious weed
Washington:
        yellow starthistle     Class B noxious weed

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Invasive Information:
Centaurea solstitialis L.
        yellow starthistle
This plant is considered invasive 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.
 
CalEPPC   California Exotic Pest Plant Council. 1999. Exotic Plant Pest List (http://www.cal-ipc.org/1999_cal-ipc_list/, October 19, 1999). California Exotic Pest Plant Council. California.
 
SWSS   Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois..
 
WSWS   Whitson, T.D. (Ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.. 630pp.
 

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Introduced Information:
Centaurea solstitialis L.
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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Other Species Accounts and Images:
Centaurea solstitialis L.
View photographs from CalPhotos.
View species account from USDA Forest Service Fire Effects Information System (FEIS).
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 36972.
View photographs from University of Tennessee Herbarium.
View species account or photographs from Wisconsin State Herbarium (UW-Madison).

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Related Web Sites:
Centaurea solstitialis L.

    BLM, Prineville, Oregon
    British Columbia Ag. & Food, Crop Protection Program: Weed Guide
    CA-Management Practices for Long Term Yellow Starthistle Control.
    CalFlora: database occurrence
    Cornell University: Poisonous Plant Databases (images)
    Fire Effects Database
    Idaho One Plan: noxious abstract & images
    MT-Center for Invasive Plant Management
    NV-Extension Weed Wanted Posters
    Noxious Weeds of the Central Sierra-USFS
    Ontario Noxious Weeds
    The Nature Conservancy: Wildland Weeds Management & Research Program
    UC Davis, IPM: abstract & images
    USDA NRCS Plant Materials
    UT-DOT Unwanted Weeds (images & abstracts)
    UT-Utah's 17 Most Noxious Weeds
    WA-Noxious Weed List & Information
    Weed Research & Information Center-UCDavis
    WeedScience.com: diagnostic images

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