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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Holman, Richard M
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1933
    Page Range: 90--92
    Publication Info: Berkeley California Botanical Society
  2. By: Holman, Richard M
    Type: Article
    In: American journal of botany
    Volume: 3
    Issue: 8
    Date: 1916-10
    Page Range: 407--414
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  3. By: Holman, Richard M
    Type: Article
    In: American journal of botany
    Volume: 3
    Issue: 6
    Date: 1916-06
    Page Range: 274--318
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-