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  1. By: Schultes, Richard Evans,
    Holding Institution: Harvard University Botany Libraries
    Subjects: Brazil  Plants  Rio Negro (Amazonas)  Uaupés River (Colombia and Brazil)  
  2. By: Schultes, Richard Evans,
    Holding Institution: Harvard University Botany Libraries
    Subjects: Bogota  Brazil  Caquetá  Colombia  Plants  Rio Negro (Amazonas)  Uaupés River (Colombia and Brazil)  
  3. By: Schultes, Richard Evans,
    Holding Institution: Harvard University Botany Libraries
    Subjects: Brazil  Plants  Rio Negro (Amazonas)  Uaupés River (Colombia and Brazil)