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By: Spicer, K. W. - Catling, Paul M. - Canada. Agriculture Canada. Research BranchEdition:Publication info: Ottawa, Agriculture Canada, Research Branch, 1990Volume: 1990-3Series:Holding Institution: Agriculture and Agri-Food Canada (AAFC)Subjects: Aquatic weeds Ontario Rideau Canal Rideau Canal (Ont.)BHL Collections: