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World Checklist of Selected Plant Families (WCSP)



Asclepias verticillata L., Sp. Pl.: 217 (1753).

Original Compiler: R.Govaerts

This name is Accepted by:

  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • USDA, NRCS (2005-continuously updated). Natural Resources Conservation Services Plant Database. http://plants.usda.gov/cgi_bin/topics.cgi?earl=checklist.html.
  • Allred, K.W. (2012). Flora Neomexicana , ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
  • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide , ed. 4: 1-536. Southern Illinois University Press, Carbondale.