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flag Scientist identifies key plants, like oaks and asters, vital for U.S. ecosystems and biodiversity.

flag University of Delaware entomologist Doug Tallamy has identified "keystone" plant species that are essential for supporting U.S. ecosystems by providing food for native insects. flag Planting just one of these keystone plants, such as oaks, asters, and others, can help restore biodiversity. flag These plants form a critical part of the ecological food web, and a complete list for various regions is available online.

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