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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Rogers, Ken E - Underwood, Judson Kemp,
    Type: Article
    In: Rhodora
    Volume: 68
    Date: 1966
    Page Range: 518--519
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  2. By: Watson, J. Ray - Melo-Costa, Wanessa de - Rogers, Ken E
    Type: Article
    In: Rhodora
    Volume: 74
    Date: 1972
    Page Range: 154--154
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Rogers, Ken E
    Type: Article
    In: SIDA, contributions to botany
    Volume: 7
    Date: 1977
    Page Range: 51--79
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-