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Hieracium pilosella L.
mouseear hawkweed
Symbol: HIPI
Group: Dicot
Family: Asteraceae
Growth Habit: Forb/herb
Duration: Perennial
U.S. Nativity: Introduced
Click on the image below to enlarge it and download a high-resolution TIFF file.
Click on this Line drawing of Hieracium pilosella (mouseear hawkweed) to enlarge it and download a high-resolution TIFF file Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 333. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Guidelines.

Printer-Friendly Profile of Hieracium pilosella Printer-Friendly Version

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

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More Information
About mouseear hawkweed

Link to plant Classification report for Hieracium pilosella

Plant source and reference for Hieracium pilosella

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

Hieracium pilosella L.

HIPI

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

CT GA ME
MA MI NH
NC RI TN*
VT VA
* Offsite source.
Connecticut
Delaware
Georgia
Maine
Maryland
Massachusetts
Michigan
Minnesota
New Hampshire
New Jersey
New York
North Carolina
Ohio
Oregon
Pennsylvania
Rhode Island
Tennessee
Vermont
Virginia
Washington
West Virginia

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Maine distribution information Massachusetts distribution information Michigan distribution information North Carolina distribution information New Hampshire distribution information Virginia distribution information Vermont distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium Connecticut distribution information Rhode Island distribution information Georgia distribution information
Related Taxa:
Hieracium pilosella L.

View 440 genera in Asteraceae, 49 species in Hieracium or click below on a thumbnail map or name for variety profiles.

Distribution of Hieracium pilosella var. niveum. Introduced. Distribution of Hieracium pilosella var. pilosella. Introduced.      
Hieracium pilosella var. niveum
mouseear hawkweed		 Hieracium pilosella var. pilosella
mouseear hawkweed		      
Nativity color legend

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Classification:
Hieracium pilosella 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 Hieracium L. – hawkweed
                               Species Hieracium pilosella L. – mouseear hawkweed

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Noxious Weed Information:
Hieracium pilosella L.
This plant and the related entity 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.
Oregon:
        mouse ear hawkweed     "A" designated weed
        mouse ear hawkweed     Quarantine
Washington:
        mouseear hawkweed     Class B noxious weed
        mouseear hawkweed     Noxious weed seed and plant quarantine
    Hieracium L.
        hawkweed     Class C noxious weed

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Invasive Information:
Hieracium pilosella L.
        mouseear hawkweed
    Hieracium L.
        hawkweed
This plant and the related entity italicized and indented above are 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.
 

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Introduced Information:
Hieracium pilosella 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:
Hieracium pilosella L.

View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 37720.
View photographs from University of Tennessee Herbarium.

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Related Web Sites:
Hieracium pilosella L.

    The Nature Conservancy: Wildland Weeds Management & Research Program
    WA-King County Noxious Weeds

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