Narrowleaf Hawkweed Invasive Plant Information


Narrowleaf Hawkweed has been reported in the following 24 states:

Alaska, Colorado, Connecticut, Idaho, Illinois, Indiana, Minnesota, Montana, Nebraska, New Hampshire, South Dakota, Wisconsin, Wyoming, Oregon, West Virginia, Iowa, Maine, Massachusetts, Michigan, Missouri, New Jersey, New York, North Dakota, Washington


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The following information is licensed as Creative Commons content from Wikipedia and the USDA.
More information about Narrowleaf Hawkweed may be found here, or from the US Department of Agriculture.

Hieracium canadense, commonly called Canadian hawkweed, Canada hawkweed, narrowleaf hawkweed, or northern hawkweed, is a plant in the genus Hieracium. Its pointed leaves have toothed margins, where the teeth can appear almost hooked. The flowers of the plant are yellow.

Hieracium canadense is a native to much of the northern hemisphere.
Afghanistan, Amur Oblast, Armenia, Azerbaijan, Ciscaucasia, Dagestan, Eastern Siberia, Georgia, Hokkaidō, Honshū, India, Iran, Kazakhstan, Kamchatka, Khabarovsk, Kurile Islands, Kyrgyzstan, Magadan, North Korea, Pakistan, Primorye, Sakhalin, Shikoku, South Korea, Tajikistan, Turkey, Western Siberia
Austria, Belarus, Belgium, Bulgaria, Czechoslovakia, Denmark, Estonia, France, Finland, Germany, Hungary, Italy, Latvia, Lithuania, Moldova, Netherlands, Norway, Poland, Portugal, Spain, Sweden, Switzerland, Romania, Yugoslavia, Ukraine and United Kingdom.
Greenland.
Canada: Alberta, British Columbia, Manitoba, Miquelon and St. Pierre, New Brunswick, Newfoundland, Northwest Territory, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan and Yukon Territory.
United States: Colorado, Connecticut, Idaho, Indiana, Illinois, Iowa, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Vermont, Washington, West Virginia, Wisconsin and Wyoming.


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