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  1. By: Parr, Rosalie Mary.
    Publication info: 1911
    Holding Institution: University Library, University of Illinois Urbana Champaign
  1. By: Parr, Rosalie Mary.
    Type: Article
    In: Annals of botany
    Volume: 32
    Date: 1918-04
    Page Range: 177--205
    Publication Info: London, Academic Press [etc.],