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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hird, Abby - Kramer, Andrea T
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 99
    Issue: 2
    Date: 2013
    Page Range: 161--166
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Hird, Abby
    Type: Article
    In: Arnoldia
    Volume: 70
    Issue: 1
    Date: 2012
    Page Range: 11--25
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University