| 1. | The creation of the Arboretum dates back to 1882. La création de l’arboretum remonte à 1882. |
| 2. | The site currently contains museums and an arboretum. Le site comprend désormais des musées et un arboretum. |
| 3. | The latter ring is also the location of the Arboretum. Le dernier anneau est également l'emplacement de l'Arboretum. |
| 4. | Scott Arboretum is located on the campus of Swarthmore College. On y trouve le Scott Arboretum et le Swarthmore College. |
| 5. | Westonbirt Arboretum is supported by the Friends of Westonbirt Arboretum charity. Il est soutenu par l'association caritative Friends of Westonbirt Arboretum. |
| 6. | Westonbirt Arboretum is supported by the Friends of Westonbirt Arboretum charity. Il est soutenu par l'association caritative Friends of Westonbirt Arboretum. |
| 7. | An arboretum is a result of collaboration with the ONF. Un arboretum est un des résultats de la collaboration avec l'ONF. |
| 8. | In 1916, Allard donated his Arboretum to the Pasteur Institute. En 1916, Allard fait don de son arboretum à l’Institut Pasteur. |
| 9. | The National Capitol Columns is a monument in Washington, D.C.'s National Arboretum. Les colonnes du Capitole est un monument de l'Arboretum National à Washington. |
| 10. | One of them is received by the Arnold Arboretum on 8 November 1960. Un des pieds arrive à l'arboretum Arnold le 8 novembre 1960. |