Penn’s campus is home to 240 trees species. From fiery red maples to glossy-leaved southern magnolias to the historic Penn Treaty Elm, trees demarcate space, providing shade, animal habitats, meet-up points and picnic spots. Yet “trees are one of those things that seem to get taken for granted in a lot of ways,” says Chloe Cerwinka, landscape planner at Facilities and Real Estate Services. “People only notice them when they’re not there.”

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