中央阿巴拉契亚/皮埃蒙特基本中生森林（双叶 - 蓝升麻类型）- CEGL 008412

Black maple (Acer nigrum) and emerging spring ephemerals on the rich slope below Triassic siltstone cliffs at Balls Bluff National Historical Park, along the Potomac River in Loudoun County. © Gary P. Fleming