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  1. By: Lewis, I M
    Type: Article
    In: Annals of botany
    Volume: 22
    Date: 1908-10
    Page Range: 529--556
    Publication Info: London, Academic Press [etc.],
  2. By: Lewis, I M
    Type: Article
    In: Mycologia
    Volume: 4
    Issue: 2
    Date: 1912
    Page Range: 66--71
    Publication Info: [Bronx, etc.], New York Botanical Garden,
  3. By: Heald, F D - Lewis, I M
    Type: Article
    In: Transactions
    Volume: 31
    Date: 1912
    Page Range: 5--10
    Publication Info: Columbus, Ohio [etc.],
  4. By: Lewis, I M
    Type: Article
    In: Torreya
    Volume: 12
    Issue: 4
    Date: 1912
    Page Range: 85--88
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945