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

References

  • Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.
  • Flora of North America Editorial Committee, e. 2006. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Fl. N. Amer. 19: i–xxiv, 1–579.
  • Synopsis Generum Compositarum 8. 1832. (Syn. Gen. Compos.)

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