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  1. 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.],
  2. By: Watson, J. Ray
    Type: Article
    In: Rhodora
    Volume: 74
    Date: 1972
    Page Range: 525--525
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],