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  1. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 124
    Issue: 2
    Date: 2010-04-01
    Page Range: 184--184
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 123
    Issue: 3
    Date: 2009-07-01
    Page Range: 269--270
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 120
    Issue: 3
    Date: 2006-07-01
    Page Range: 379--380
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 117
    Issue: 2
    Date: 2003-04-01
    Page Range: 322--323
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 1
    Date: 1998
    Page Range: 177--178
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 115
    Issue: 2
    Date: 2001
    Page Range: 381--382
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 115
    Issue: 1
    Date: 2001
    Page Range: 189--190
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 113
    Issue: 3
    Date: 1999
    Page Range: 544--545
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  9. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 119
    Issue: 4
    Date: 2005-10-01
    Page Range: 604--605
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  10. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 118
    Issue: 3
    Date: 2004-07-01
    Page Range: 473--474
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  11. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 123
    Issue: 3
    Date: 2009-07-01
    Page Range: 270--270
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  12. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 121
    Issue: 1
    Date: 2007-01-01
    Page Range: 105--106
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  13. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 128
    Issue: 1
    Date: 2014-03-22
    Page Range: 96--96
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  14. By: Gawn, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 120
    Issue: 1
    Date: 2006-01-01
    Page Range: 119--120
    Publication Info: Ottawa Ottawa Field-Naturalists' Club