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Shingle oak tree with brown leaves in autumn at Raven Glen Forest Preserve in Antioch, Illinois
Butterweed wildflower clusters at Linne Woods Forest Preserve in Morton Grove, Illinois
A White Oak (Quercus alba) leaf showing its backside sits on a bed of leaves on the forest floor, Green Valley Forest Preserve, DuPage County, Illinois
A late Autumn snow dusting collects on the rocks and leaves in Hammel Creek, Hammel Woods Forest Preserve, Will County, Illinois
Northern Red Oaks (quercus rubra) turn russet red while the native Bush Honeysuckle (diervilla lonicera) contrast with bright yellow leaves. Green Valley Forest Preserve, DuPage County, Illinois
A White Oak (Quercus alba) leaf showing its backside sits on a bed of leaves on the forest floor, Green Valley Forest Preserve, DuPage County, Illinois
A Bradford Pear tree is in autumn splendor. While not native, it often escapes into the wild and can be somewhat invasive,. Green Valley Forest Preserve, DuPage County, Illinois

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