USDA Forest Service Celebrating Wildflowers

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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

U.S. Forest Service
Rangeland Management
Botany Program

1400 Independence Ave., SW, Mailstop Code: 1103
Washington DC 20250-1103

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Location: http://www.fs.fed.us/wildflowers/rareplants/profiles/tep/thelypteris_pilosa_alabamensis/index.shtml
Last modified: Wednesday, 13-Oct-2010 14:36:49 EDT