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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Drew, W B - Giles, R A
    Type: Article
    In: Rhodora
    Volume: 53
    Date: 1951
    Page Range: 240--242
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  2. By: Drew, W B
    Type: Article
    In: Rhodora
    Volume: 37
    Date: 1935
    Page Range: 225--226
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Drew, W B
    Type: Article
    In: Contributions from the Gray Herbarium of Harvard University
    Issue: 110
    Date: 1936
    Page Range: 1--47
    Publication Info: [Cambridge, Mass.] Harvard University -1984]
  4. By: Drew, W B
    Type: Article
    In: Rhodora
    Volume: 38
    Date: 1936
    Page Range: 1--47
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  5. By: Drew, W B
    Type: Article
    In: Rhodora
    Volume: 37
    Date: 1935
    Page Range: 32--32
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],