Central Appalachian High-Elevation Seepage Swamp (Hemlock - Yellow Birch Type) – CEGL008533

A high-elevation seepage swamp with dense bryophyte mats and large colonies of cinnamon fern (Osmundastrum cinnamomeum) and slender mannagrass (Glyceria melicaria) under yellow birch (Betula alleghaniensis) and hemlock (Tsuga canadensis).  Limberlost at head of White Oak Canyon, Madison County, Shenandoah National Park.