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  1. By: Gast, Ross H.
    Type: Article
    In: Lasca leaves
    Volume: 14
    Issue: Autumn 1964
    Date: 1964
    Page Range: 9-12
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
    Subjects: Hibiscus  Hibiscus -- Breeding  
  2. By: Gast, Ross H.
    Type: Article
    In: Lasca leaves
    Volume: 18
    Date: 1968
    Page Range: 31-40
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
    Subjects: Hibiscus  Hibiscus -- Breeding  
  3. By: Gast, Ross H.
    Type: Article
    In: Lasca leaves
    Volume: 18
    Date: 1968
    Page Range: 48-54
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
    Subjects: Hibiscus  Hibiscus -- Breeding