Richard Dickinson lives in Toronto and has taught plant taxonomy for more than twenty-five years. He is couthor of Wildflowers of Edmonton and Central Alberta, Wildflowers of Calgary and Southern Alberta, Plants of Alberta, and Weeds of North America.
France Royer is a photographer living in Edmonton, Alberta. She is coauthor of Wildflowers of Edmonton and Central Alberta, Wildflowers of Calgary and Southern Alberta, Plants of Alberta, and Weeds of North America.