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Polar Hawkweed

Hieracium atratum

Family Name:

Asteraceae

Class: C
Other Names:  
 Why is it a noxious weed?

Polar hawkweed is a prolific seed producer and may potentially hybridize with native and non-native hawkweed species. It may take up nitrogen in nutrient poor soils and limit nutrients available to other plants.

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Washington State Weeds