(120 taxa), Prunus (115 taxa), Picea (100 taxa), Quercus (85 taxa), Abies (60 taxa), Sorbus (55 taxa), Crataegus (50 taxa), Fraxinus (45 taxa), Tilia (45 taxa), Viburnum (40 taxa), Cedrus (20 taxa), and Cupressocyparis (20 taxa). The arboretum also participates in the conservation of rare and endangered species. At present it conserves 70 species from the list produced by the International Union for Conservation of Nature and Natural Resources (IUCN) and the BGCI (Botanic Gardens Conservation International), including Abies chensiensis, Abies nebrodensis, Malus sikkimensis, Picea obovata, Pinus bungeana, Prumnopitys andina, and Quercus dentata. See also List of botanical gardens in France References Arboretum de Chèvreloup Conservatoire des Jardins et Paysages entry (French) Gralon entry (French) Wikimapia entry Gardens in Yvelines Arboreta in France