Bibliography and Citations

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Filters: Author is Patricia L. Packard  [Clear All Filters]
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Gilkey HM, Packard PL.  2001.  Winter Twigs: A Wintertime Key to Deciduous Trees and Shrubs of Northwestern Oregon and Western Washington. Edition Revised Edition.  Corvallis (Oregon): Oregon State University Press.  
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Packard PL, Ertter B.  1978.  Notes on the flora of the Snake Country.