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  1. By: Hitchcock, A. S. (Albert Spear),
    Publication info: 1923
    Holding Institution: Smithsonian Institution Archives
    Subjects: Ba–os  Botany  cuenca  Ecuador  Field notes  Loja  Quito  San Lucas  
    BHL Collections: Smithsonian Field Books collection
  2. By: Hitchcock, A. S. (Albert Spear),
    Publication info: 1923
    Holding Institution: Smithsonian Institution Archives
    Subjects: Botany  Ecuador  Field notes  Loja  Portoviejo  San Lucas  Santa Rosa  Tulc‡n  
    BHL Collections: Smithsonian Field Books collection