compiled by Ray Daugherty
Horticulture Faculty - Front Range Community College
- American Horticulture Society, Alan Toogood (editor), Plant Propagation,
DK Publishing, Inc., London, 1999, ISBN 0789441160
- Druse, Ken, Making More Plants: the Science, Art and Joy of Propagation,
Clarkson N. Potter, 051770787X
- ames A. Young & Cheryl G. Young, Collecting, Processing and Germinating
Seeds of Wildland Plants, Timber Press, Portland, OR, 1986, 0881920576
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