Anonymous. (1995). Scotts Guide to the Identifiication of Grasses.
Bailey, L.H., & Bailey, E.Z. (1976). Hortus Third: A Concise Dictionary of Plants Cultivated in the United States and Canada. MacMillan Publishing Company
Bender, S. (Ed.). (1998). The Southern Living Garden Book. Birmingham, Al: Oxmoor House, Inc
Brickell, C., Cole, T., Zuk, J.D. (2003). A-Z Encyclopedia of Garden Plants. (Canadian Edition). Toronto, Ontario: Dorling Kindersley Limited
Bridwell, F. (2003). Landscape Plants, Their Identification, Culture, and Use. Canada. (1976). New York N.Y: MacMillan Publishing Co.
Coombes, A. (2002). Dictionary of Plant Names. Portland, Oregon.Timber Press.
Dirr, M. (2011). Dirr's Encyclopedia of Trees and Shrubs. Timber Press
Dolezal, R. & Dolezal, B. (Eds.). (2002). The Complete Guide to Choosing Landscape Plants America. Creative Publishing international, Inc.and Dolezal & Associates
Fernald, M.L. (1950). Gray's Manual of Botany. (5th Ed.) Portland, Oregon: Dioscordes Press.
Frankton, C. & Mulligan, G. (1970). Weeds of Canada.
George, W.S. (1963). The Shrub Identification Book. United States of America. IL D. W.Merwin.
Graff, A.B. (1970). Exotic Plant Manual. New Jersey: Roehrs
Graff, A.B. (1982). Exotica International, Pictorial Cyclopedia of Exotic Plants. (series 4) USA: Graff.
Griffiths, M. (Ed.). (1994). Index of Garden Plants. Portland OR: Timber Press.
Griffiths, M. (Ed.). (1992). The New Royal Horticultural Society.Dictionary of Gardening VOL I-IV. The Stockton Press, New York.
Hayes, L., Kent, D., Leathem, A.M., Lepik, K., Li, R., Marra, C., McGarry, M. (1997). Poison Management Manual 4th Edition. Vancouver, B.C: British Columbia Drug and Poison Information Centre
Hessayon, D.G. (2001). A Greener Thumb. Ontario: Penguin Books, Ltd.
Hickey, M. & King, C. (1988). 100 Families of Flowering Plants. (2nd Ed).
Hightshoe, G.L. (1988). Native Trees, Shrubs and Vines for Urban and Rural America. Van Nostrand Reinhold Company Inc.
Hogan, S. (2003). Flora - A Gardeners Encyclopedia. Oregon: Timber press.
Pojar, J.and MacKinnon, A. (eds.). Plants of Coastal British Columbia. Vancouver, BC, Lone Pine Publishing, 1994.
Royer, F. & Dickinson, R. (1999). Weeds of Canada and the Northern United States. Edmonton, Alberta.Lone Pine Publishing.
Stevenson, V. (Ed.). (1980). Indoor plants: Flowering and Foliage Varieties for the Home. Arco Publ., Penn.State Univ.
Wright, M. (1984). The Complete Handbook of Garden Plants, Illustrated Encyclopedia of Horticulture. New York: Rainbird