About Richard Dickinson Books by Richard Dickinson Plants of Alberta Trees, Shrubs, Wildflowers, Ferns, Aquatic Plants & Grasses by (author) France Royer & Richard Dickinson Plants of Southern Ontario by (author) Richard Dickinson & France Royer Weeds of the Northern U.S. and Canada A Guide for Identification by (author) France Royer & Richard Dickinson Wildflowers of Calgary and Southern Alberta by (author) France Royer & Richard Dickinson Wildflowers of Edmonton and Central Alberta by (author) France Royer & Richard Dickinson