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  1. By: Ferren, Wayne R. - Haller, John R. (John Robert)
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 33
    Date: 1986
    Page Range: 83--83
    Publication Info: Berkeley, California Botanical Society,
  2. By: Haller, John R. (John Robert)
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 15
    Date: 1959
    Page Range: 65--71
    Publication Info: Berkeley, California Botanical Society,
  3. By: Haller, John R. (John Robert)
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 16
    Date: 1961
    Page Range: 126--132
    Publication Info: Berkeley, California Botanical Society,