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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Whelden, Roy M.
    Type: Article
    In: Rhodora
    Volume: 47
    Date: 1945
    Page Range: 63--64
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  2. By: Whelden, Roy M.
    Type: Article
    In: Rhodora
    Volume: 37
    Date: 1935
    Page Range: 223--224
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Whelden, Roy M.
    Type: Article
    In: Rhodora
    Volume: 41
    Date: 1939
    Page Range: 133--137
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  4. By: Whelden, Roy M.
    Type: Article
    In: Rhodora
    Volume: 37
    Date: 1935
    Page Range: 121--128
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],