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  1. By: Willson, Mary F. - Pacific Northwest Research Station (Portland, Or.) - United States. Department of Agriculture.
    Publication info: Portland, OR, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1997]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Obermeyer, Kim E. - Hodgson, Angela - Willson, Mary F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 113
    Issue: 2
    Date: 1999
    Page Range: 288--290
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Willson, Mary F.
    Type: Article
    In: The Wilson bulletin
    Volume: 88
    Issue: 4
    Date: 1976
    Page Range: 582--587
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Gende, Scott M. - Womble, Jamie N. - Willson, Mary F. - Marston, Brian H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 115
    Issue: 2
    Date: 2001
    Page Range: 355--356
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Carmona, Martin R. - ARAVENA, J. C. - Bustamante Sánchez, Marcela - Celis-Diez, Juan L. - Charrier, Andrés - Díaz, Iván A - Díaz-Forestier Javiera - Díaz, María F - Gaxiola, Aurora - Gutiérrez, Alvaro G - Hernandez-Pellicer Claudia - Ippi, Silvina - Jaña-Prado Rocío - Jara-Arancio Paola - Jiménez, Jaime E. - Manuschevich, Daniela - Necochea, Pablo - Nuñez-Avila Mariela - Papic, Claudia - Pérez, Cecilia - Pérez, Fernanda - Reid, Sharon - Rojas, Leonora - Salgado, Beatriz - Smith-Ramírez, Cecilia - Troncoso, Andrea - Vásquez, Rodrigo A. - Willson, Mary F. - Rozzi, Ricardo - Armesto, Juan J
    Type: Article
    In: Revista chilena de historia natural
    Date: 2010-03-01
  5. By: Willson, Mary F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 118
    Issue: 3
    Date: 2004-07-01
    Page Range: 442--443
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Willson, Mary F. - Armstrong, Robert H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 4
    Date: 1998
    Page Range: 715--716
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Willson, Mary F. - Armesto, Juan J
    Type: Article
    In: Revista chilena de historia natural
    Date: 2006-06-01
  8. By: Willson, Mary F.
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 68
    Date: 1981
    Page Range: 275--300
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  9. By: Bermejo, Teresa - Traveset, Anna - Willson, Mary F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 3
    Date: 1998
    Page Range: 510--512
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  10. By: Willson, Mary F. - Gende, Scott M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 118
    Issue: 4
    Date: 2004-10-01
    Page Range: 499--503
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  11. By: Willson, Mary F.
    Type: Article
    In: The Wilson bulletin
    Volume: 84
    Issue: 4
    Date: 1972
    Page Range: 449--455
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  12. By: De Santo, Toni L - Willson, Mary F. - Bartecchi, Kristen M - Weinstein, Josh
    Type: Article
    In: The Wilson bulletin
    Volume: 115
    Issue: 1
    Date: 2003
    Page Range: 29--37
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-