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The Sonoran Desert is one of the most ecologically diverse deserts in the world with more than 2,000 native plant species and hundreds of wildlife species.
Ginkgo biloba is a distinctive living tree with a unique place in plant evolution and
human culture. It is valued in horticulture and as a street tree, is a source of edible
As climate change places continued pressure upon wild-plant populations, botanical gardens and arboreta become increasingly indispensable conservation agents.