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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Biffen, Roland H.
    Type: Article
    In: Annals of botany
    Volume: 12
    Date: 1898-06
    Page Range: 165--171
    Publication Info: London, Academic Press [etc.],
  2. By: Biffen, Roland H.
    Type: Article
    In: Annals of botany
    Volume: 13
    Date: 1899-09
    Page Range: 363--376
    Publication Info: London, Academic Press [etc.],
  3. By: Biffen, Roland H.
    Type: Article
    In: Annals of botany
    Volume: 11
    Date: 1897-06
    Page Range: 334--339
    Publication Info: London, Academic Press [etc.],
  4. By: Biffen, Roland H.
    Type: Article
    In: Annals of botany
    Volume: 16
    Date: 1902-03
    Page Range: 174--176
    Publication Info: London, Academic Press [etc.],
  5. By: Biffen, Roland H.
    Type: Article
    In: Annals of botany
    Volume: 15
    Date: 1901-03
    Page Range: 119--134
    Publication Info: London, Academic Press [etc.],