cypress tree

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  Blackwater streams are found in sandy lowlands, mostly in the Panhandle.
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  Water oak, overcup oak, diamond-leaf oak, water hickory, sugarberry, several species of ash, American sycamore and river birch are among the more commonly seen trees.
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  Boardwalk crosses a swampy area near the Perdido River.
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  The ecosystem function of this river corridor system directly affects the water quality in the Perdido River and Perdido Bay and the estuaries of the system.