A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

Deciduous trees and shrubs lose their leaves in the fall and can provide ... Evergreens can be conifers (cone-bearing, needle-like foliage) such as pine, spruce, juniper or arborvitae, or broadleaf ...

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