References


Primary References:

 Arnold, Gene.  1976.  Plants of the Northern Hemisphere.  New York:  MacMillan.  331-336.

 Grehan, Farrell. 1964.  The Odyssey Book of American Wildflowers. New York: The Odyssey Press. 101.

Grey-Wilson, Christopher. 1993. Poppies. Portland: Timber Press. 46-48, 23-27.

Grimm, William Carey. 1968. Recognizing Flowering Wild Plants. Harrisburg: The Stackpole Company. 111.

House, Homer D. 1934. Wild Flowers. New York: MacMillan. 117.

Hylander, Clarence J. 1954. The MacMillan Wild Flower Book. New York: MacMillan. 137.

Krochmal, Arnold & Connie. 1973. A Guide to the Medicinal Plants of the United States. New York: New York Times Book Co. 200.

Mabey, Richard. 1996. Flora Britannica. London: Chatto and Windus. 50-56.

Sanders, Jack. 1993. Hedgemaids and Fairy Candles: The Lives and Lore of North American Wildflowers. McGraw Hill: Ragged Mountain Press. 100-105.

World Wide Web Resources:

University of California at Berkeley.  Specimen Management System for Herbaria.  http://www.mip.berkeley.edu/query_forms/browse_smasch_chkl.html

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