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  1. By: Canada. Department of Agriculture. - Morris, Ray F. - FOX, C.J.S.
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  2. By: Morris, Ray F.
    Publication info: [Ottawa], Agriculture Canada, 1980
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  1. By: Morris, Ray F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 2
    Date: 1986
    Page Range: 253--254
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Morris, Ray F. - Proudfoot, K. G. - Morry, H. G.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 1
    Date: 1991
    Page Range: 78--81
    Publication Info: Ottawa Ottawa Field-Naturalists' Club