BIBLIOGRAPHY


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Cumming, R.W., and R.E. Lee. 1960. Contemporary Perennials. The Macmillan Company, New York.

Hoffman, M.H.A., van de Laar, H.J., Fortgens, G., deJong, P.C.; Geers, F., ed. 2000. List of Names of Perennials: International Standard. Boomteeltpraktijkonderzoek, Boskoop, the Netherlands.

Hogan, S., ed. 2003. Flora: A Gardener's Encyclopedia Vol. I & II. Timber Press, Portland, Ore.

Jelitto, L., and W. Schacht. 2001. Hardy Herbaceous Perennials, Vol. I & II. Third Edition. Timberline Press, Inc. Portland, Ore.

Lawton, B.P. 2002. Mints: A Family of Herbs and Ornamentals. Timber Press, Portland, Ore.

MacKenzie, D.S. 1997. Perennial Ground Covers. Timber Press, Portland, Ore.

McNaughton, V. 2000. Lavender: The Grower's Guide. Timber Press, Portland, Ore.

Noland, D.A., and K. Bolin. 2000. Perennials for the Landscape. Interstate Publishers, Inc., Danville, Ill.

Still, S.M. 1994. Manual of Herbaceous Ornamental Plants. Fourth Edition. Stipes Publishing L.L.C., Champaign, Ill.

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Wells, D. 1997. 100 Flowers and How They Got Their Names. Algonquin Books of Chapel Hill, Chapel Hill, N.C.


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