The Parc botanique de Launay (90 hectares), sometimes known as the Parc botanique d'Orsay or the Parc de l'Université Paris XI, is a botanical garden located on the Université Paris-Sud XI campus at 3 rue Georges-Clemenceau, Orsay, Essonne, Île-de-France, France.
See also List of botanical gardens in France
References Flore virtuelle d'Orsay BGCI entry Balado: Parc botanique de Launay
Culture.fr entry (French)