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Carduus ×orthocephalus Wallr. [acanthoides × nutans]
Symbol: CAOR8
Group: Dicot
Family: Asteraceae
Growth Habit: Forb/herb
Duration: Biennial
Perennial
U.S. Nativity: Introduced

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Link to plant Classification report for Carduus orthocephalus

Plant source and reference for Carduus orthocephalus

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State Distributional Map for CAOR8
© Image generated using gd 1.8
Plant Distribution by State

Carduus ×orthocephalus Wallr. [acanthoides × nutans]

CAOR8

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

WI*
* Offsite source.
Wisconsin

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Wisconsin distribution information linked offsite at University of Wisconsin Madison
Related Taxa:
Carduus ×orthocephalus Wallr. [acanthoides × nutans]

View 440 genera in Asteraceae, 6 species in Carduus

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Classification:
Carduus ×orthocephalus Wallr. [acanthoides × nutans]

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 Carduus L. – plumeless thistle
                               Species Carduus ×orthocephalus Wallr. [acanthoides × nutans] –

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Noxious Weed Information:
Carduus ×orthocephalus Wallr. [acanthoides × nutans]
The related entities 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.
Arkansas:
    Carduus L.
        thistle     Noxious weed
Iowa:
    Carduus L.
        thistle     Primary noxious weed

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Invasive Information:
Carduus ×orthocephalus Wallr. [acanthoides × nutans]
    Carduus L.
        thistle
The related entity italicized and indented above 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 43 States. State agriculture or natural resource departments.
 

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Introduced Information:
Carduus ×orthocephalus Wallr. [acanthoides × nutans]
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:
Carduus ×orthocephalus Wallr. [acanthoides × nutans]

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 501199.
View species account from Wisconsin State Herbarium (UW-Madison).

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