Here is a short list of excellent books on the advantages of growing plants which are native to the region as well as identifying them.
- Bringing Nature Home: How You Can Sustain Wildlife with Native Plants
By: Douglas W. Tallamy
- Attracting Native Pollinators: The Xerces Scociety Guide to Conserving North American Bees and Butterflies and Their Habitat
By: The Xerces Society
- Trees in Canada
By: John Laird Farrar
- Shrubs of Ontario
By: James H. Soper & Margret L. Heimburger
Published by Royal Ontario Museum (ROM)
- Trees and Shrubs
Peterson Field Guide Series
- Trees, Shrubs and Flowers to Know in Ontario
By: Sheila McKay & Paul Catling
- plants of Southern Ontario
By: Richard Dickinson & France Royer