A grove of barren oak trees spotted in the Lyons Woods Forest Preserve in Waukegan, Illinois.
Lyons Woods is diverse, supporting prairie, savanna, woodland and fen. In the prairie, you’ll find such plants as dropseed, big bluestem and goldenrod. The woods support these large stands of white, bur and black oaks.
Five of the state's endangered species take refuge here; one is so rare its existence in the nation is threatened. Ecologists and volunteers give special attention to these species, but also work hard to protect and restore the preserve's many habitats. Over 1,000 native trees and shrubs have been planted here. Several techniques are used to keep non-native species at bay, such as controlled burning and selective clearing.
Photo captured February 20, 2012.
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