Polar Hawkweed
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Hieracium atratum |
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| Family Name: |
Asteraceae |
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| Class: | B | |
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| 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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More Information:
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Visit Washington State Noxious Weed Control Board Here
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