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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Davidson, John Fraser,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 15
    Date: 1960
    Page Range: 180--184
    Publication Info: Berkeley, California Botanical Society,
  2. By: Davidson, John Fraser,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 12
    Date: 1954
    Page Range: 246--251
    Publication Info: Berkeley, California Botanical Society,
  3. By: Davidson, John Fraser, - Romberg, Paul F
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 11
    Date: 1952
    Page Range: 203--206
    Publication Info: Berkeley, California Botanical Society,
  4. By: Weber, William A. (William Alfred), - Davidson, John Fraser,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 9
    Date: 1948
    Page Range: 187--189
    Publication Info: Berkeley, California Botanical Society,
  5. By: Davidson, John Fraser, - Thompson, T. L.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 13
    Date: 1956
    Page Range: 252--259
    Publication Info: Berkeley, California Botanical Society,
  6. By: Davidson, John Fraser,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 9
    Date: 1947
    Page Range: 105--110
    Publication Info: Berkeley, California Botanical Society,
  7. By: Davidson, John Fraser,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 9
    Date: 1947
    Page Range: 58--60
    Publication Info: Berkeley, California Botanical Society,
  8. By: Davidson, John Fraser,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 16
    Date: 1961
    Page Range: 106--107
    Publication Info: Berkeley, California Botanical Society,