Threatened, Endangered, and Proposed (TEP) Plant Profile
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.
Visit the U.S. Fish & Wildlife Service Species Profile link below for links to listing and other USFWS documents.
- Listed Threatened 1992
- Recovery Plan 1996 (PDF, 2.9 MB)
- 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