The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • Bailey, L.H. (1949) Manual of Cultivated Plants Revised edition. Macmillan, New York. Pages 995 - 996
  • Dictionnaire des Sciences Naturelles [Second edition] 38: 17. 1825. (Dict. Sci. Nat. (ed. 2))
  • Familles des Plantes 2: 80, 599 (as Rudbekia). 1763. (Fam. Pl.)
  • 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.
  • Flora of North America Editorial Committee, e. 2006. Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Fl. N. Amer. 21: i–xxii + 1–616.
  • Species Plantarum 2: 906. 1753. (1 May 1753) (Sp. Pl.)

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