Resource #1: Northern Prairie Wildlife Research Center Web site:
USGS
http://www.npwrc.usgs.gov/resource/literatr/wildflwr/species/amorcane.htm

Resource #2: Natural Resources Conservation Services Web site:
USDA
http://plants.usda.gov/cgi_bin/topics.cgi

Resource #3: Fire Effects Information Web site:
FEIS
http://www.fs.fed.us/database/feis/plants/shrub/amocan/value_and_use.html

Resource #4: Umbanhowar, Charles Jr., Minnesota Plant Press 17(3) Spring 1998.
http://www.stolaf.edu/depts/biology/mnps/papers/umbanhowar1998173a.html

Resource #5: Kannowski, Paul Bruno, Wildflowers of North Dakota University of North Dakota Press p. 102

Resource #6: Kindscher, Kelly, Medicinal Wild Plants of the Prairie : An Ethnobotanical Guide University Press of Kansas 1992 p. 7, 225-226, 236, 257

Resource #7: Runkel, Sylwan T., Wildflowers of the Tallgrass Prairie : The Upper Midwest Iowa State University Press Ames 1989 p. 49