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Hieracium atratum Fr.
polar hawkweed

       
Symbol:    
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More Information:
 

Images:
Hieracium atratum Fr.

See all the Hieracium thumbnails at the PLANTS Gallery
 

Related Taxa:
Hieracium atratum Fr.

View 477 genera in Asteraceae, 54 species in Hieracium
 

Classification:
Hieracium atratum Fr.

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 atratum Fr. – polar hawkweed
 

Noxious Weed Information:
Hieracium atratum Fr.

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, or click here for a composite list of all Federal and State Noxious Weeds.

Washington:
polar hawkweed              Class B noxious weed
Hieracium
hawkweed              Class C noxious weed1
 
1 non-native Hieracium species except those listed as Class A or Class B
 

U.S. Weed Information:
Hieracium atratum Fr.

polar hawkweed
Hieracium
hawkweed

This plant and the related entity italicized and indented above can be weedy or invasive according to 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 weed list, or click here for a composite list of Weeds of the U.S.

STATE        Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments.
 
 
Time Generated: 10/11/2008 04:50 PM MDT