Accepted By:
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Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.
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Flora of China Editorial Committee. 2011. Flora of China (Asteraceae). 20–21: 1–992. In C. Y. Wu, P. H. Raven & D. Y. Hong (eds.) Fl. China. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
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