Ecological Threats

Each natural community faces ecological threats that could change its defining features, leading to its decline.

Non-Native Invasive Plants

  • beefsteak plant* (low plant)
  • Japanese stiltgrass* (low plant)
  • oriental lady’s-thumb* (low plant)
  • spreading sandmat* (low plant)
  • sweet wormwood* (low plant)
  • tree-of-heaven* (tree)
  • yellow nutsedge* (low plant)

Diseases, Pests, and Other Threats

Learn more about some of the ecological threats to the natural communities of Harpers Ferry National Historical Park.

See Making a Difference to learn about some of the ways park staff are addressing these threats—and ways you can help, too.