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  1. By: Foster, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 128
    Issue: 2
    Date: 2014-07-03
    Page Range: 207--208
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Foster, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 128
    Issue: 3
    Date: 2014-10-16
    Page Range: 295--296
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Foster, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 128
    Issue: 3
    Date: 2014-10-16
    Page Range: 296--296
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Foster, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 127
    Issue: 3
    Date: 2013-11-25
    Page Range: 276--277
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Foster, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 133
    Issue: 2
    Date: 2019-04-01
    Page Range: 175--175
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Foster, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 129
    Issue: 2
    Date: 2015-08-05
    Page Range: 198--199
    Publication Info: Ottawa Ottawa Field-Naturalists' Club