Weeds of Canada and the Northern United States
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Price: $29.95

Publisher: The University of Alberta Press/Lone Pine Publishing

Description: Authors: France Royer & Richard Dickinson, 434 pages, 1999
This easy-to-use guide will help you identify more than 175 weed species across Canada. For each weed it includes information on distribution, reasons for concern, quick id features, detailed description, technical information and numerous colour photos at every growth stage. ISBN 0-88864-311-X