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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lloyd, Robert M
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 18
    Date: 1965
    Page Range: 65--74
    Publication Info: Berkeley, California Botanical Society,
  2. By: Lloyd, Robert M
    Type: Article
    In: American fern journal
    Volume: 54
    Date: 1964
    Page Range: 76--82
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Hamilton, Robert G - Lloyd, Robert M
    Type: Article
    In: American fern journal
    Volume: 81
    Date: 1991
    Page Range: 95--98
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Lloyd, Robert M
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 61
    Date: 1974
    Page Range: 318--331
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  5. By: Lloyd, Robert M
    Type: Article
    In: American fern journal
    Volume: 70
    Date: 1980
    Page Range: 99--110
    Publication Info: [Washington, etc.] American Fern Society
  6. By: Lloyd, Robert M
    Type: Article
    In: American fern journal
    Volume: 66
    Date: 1976
    Page Range: 1--7
    Publication Info: [Washington, etc.] American Fern Society
  7. By: Lloyd, Robert M
    Type: Article
    In: American fern journal
    Volume: 60
    Date: 1970
    Page Range: 73--83
    Publication Info: [Washington, etc.] American Fern Society