Title: Biblio RTF Export
Author: Biblio 7.x

, Species Plantarum, vol. 2. 1753.

N. Lord Britton and Brown, A., An Illustrated Flora of the Northern United States, Canada And The British Possessions, 2nd ed., vol. 3. Charles Scribner?s Sons, 1913.

A.  Gray, Synoptical Flora of North America, vol. 2, Part 1. New York, NY: American Book Company, 1884.

W.  Aiton, Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew., vol. 3. London: , 1789, pp. 250-251.

W.  Cullina and Society, N. England Wi, The New England Wild Flower Society Guide to Growing and Propagating Wildflowers of the United States and Canada: A Guide to Growing and Propagating Native Flowers of North America. Houghton Mifflin Harcourt, 2000, p. 322.

D. E.  Moerman, Native American Ethnobotany. Portland, OR: Timber Press, Inc., 1998.

J. L.  Strother, Flora of North America, vol. 19. New York: Oxford University Press, Inc., 2006, pp. 202-203.