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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Vanstone, David Edward - Marshall, H. H. - Ronald, W. G. - Canada. Agriculture Canada
    Publication info: Ottawa, Agriculture Canada, c1982
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  2. By: Vanstone, David Edward - Marshall, H. H. - Ronald, W. G. - Canada. Agriculture Canada
    Publication info: Ottawa, Communications Branch, Agriculture Canada, 1982
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  1. By: Marshall, H. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 4
    Date: 1978
    Page Range: 321--326
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Marshall, H. H. - Gross, A T H - Stevenson, G A
    Type: Article
    In: Rhodora
    Volume: 68
    Date: 1966
    Page Range: 53--58
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],