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  1. By: Schultes, Richard Evans,
    Holding Institution: Harvard University Botany Libraries
    Subjects: Colombia  Hallucinogenic plants  Plants  Utilization  Virola (Genus)  
  2. By: Schultes, Richard Evans,
    Holding Institution: Harvard University Botany Libraries
    Subjects: Colombia  Hallucinogenic plants  Plants  Utilization  Virola (Genus)