Onopordum acanthium L.:
Canada (North America)
Chile (South America)
Russian Federation (Asia)
United States (North America)
Uzbekistan (Asia)
China (Asia)
Turkmenistan (Asia)
Tajikistan (Asia)
Pakistan (Asia)
Kazakhstan (Asia)
Kyrgyzstan (Asia)
Afghanistan (Asia)
Canada (North America)
Chile (South America)
Russian Federation (Asia)
United States (North America)
Uzbekistan (Asia)
China (Asia)
Turkmenistan (Asia)
Tajikistan (Asia)
Pakistan (Asia)
Kazakhstan (Asia)
Kyrgyzstan (Asia)
Afghanistan (Asia)
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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
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Gleason, H. A. 1968. The Sympetalous Dicotyledoneae. vol. 3. 596 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
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http://www.tropicos.org/Reference/1515
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http://www.tropicos.org/Reference/637
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http://www.tropicos.org/Reference/1327
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Munz, P. A. 1968. Suppl. Calif. Fl. 1–224. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1718
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Flora of China Editorial Committee. 1988-2013. Fl. China Unpaginated. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
http://www.tropicos.org/Reference/42480
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Cronquist, A. J. 1980. Asteraceae. 1: i–xv, 1–261. In Vasc. Fl. S.E. U. S. The University of North Carolina Press, Chapel Hill.
http://www.tropicos.org/Reference/1714
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Flora of China Editorial Committee. 2011. Fl. China 20–21: 1–992. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
http://www.tropicos.org/Reference/100006787
