Threatened, Endangered, and Proposed (TEP) Plant Profile

Thelypteris pilosa var. alabamensis, Alabama streak-sorus fern.
Thelypteris pilosa var. alabamensis.

Thelypteris pilosa var. alabamensis, Alabama streak-sorus fern, range map.
Thelypteris pilosa var. alabamensis range map.

Thelypteris pilosa var. alabamensis, Alabama streak-sorus fern

Alabama streak-sorus fern microhabitat is maintained by surface moisture seepage over the sandstone on which the fern grows, as well as by local high humidity.

ESA Status

Visit the U.S. Fish & Wildlife Service Species Profile link below for links to listing and other USFWS documents.

Threats

  • Road and bridge construction
  • Inundation from stream impoundments
  • Logging, particularly clear-cutting, causing microclimate changes
  • Incidental impacts or vandalism by recreational users of rock houses where the fern grows, including heat and smoke from campfires built under some of these natural shelters
  • Vulnerability to natural or human-induced catastrophic disturbance due to its extremely restricted range and small numbers
  • Flooding and drought

Conservation Status

National Forest and Grassland Occurrence

More Information