The New England Wild Flower Society guide to growing and propagating wildflowers of the United States and Canada /Author: Cullina, William.
Publisher: Boston : Houghton Mifflin Co.
Date: 2000. This title can be found in 7 Iowa libraries.
Growing and propagating wild flowers /Author: Phillips, Harry R.
Publisher: Chapel Hill : University of North Carolina Press,
Date: c1985. This title can be found in 7 Iowa libraries.
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