Our
Collections
Boyce Thompson Arboretum holds collections of desert plants from around the world. The collections include plants from the United States, Mexico, Australia, Madagascar, India, China, Japan, Israel, South America, the Middle East, Africa, the Mediterranean, and the Arabian Peninsula
Rare &
Endangered
Species
With missions devoted to conservation, botanical gardens and arboreta play an important role in saving the world’s plant species and making them known to the public. Of BTA’s 3,897 plant species, 9.8% are of conservation concern, meaning that they are endangered or threatened with extinction.