The National Arboretum

The National Arboretum near Washington, is a living museum, housing the national collection of trees, shrubs and flowers in 415 acres of landscaped gardens. It is a plant library, herbarium and as well it develops new varieties which are made available to other arboretums and plant farms throughout America.

Sources

  1. 16mm Filmography (legacy record) — title, description, catalog record