On Sunday, July 9, my ecology class visited Willisbrook Preserve, an area protected by the conservation organization Natural Lands. It is located in the Piedmont Uplands, not far from Malvern, Pennsylvania. Willisbrook Preserve includes woods, grasslands, and a rare ecosystem known as serpentine barrens. Serpentine soil is rich in magnesium and iron, which is a… Continue reading A winding path through the serpentine barrens
