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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hobbs, G. A. - Canada. Department of Agriculture.
    Edition: Rev.
    Publication info: Ottawa, : Canada Department of Agriculture, 1967
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  1. By: Hobbs, G. A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 4
    Date: 1972
    Page Range: 414--415
    Publication Info: Ottawa Ottawa Field-Naturalists' Club