USDA Forest Service Celebrating Wildflowers
Threatened, Endangered, and Proposed (TEP) Plant Profile
Nodding heads of Chorro Creek bog thistle. Photo courtesy of California Native Plant Society, 1984.
An imposing specimen of Chorro Creek bog thistle in its wetland habitat, Los Padres National Forest. Photo courtesy of California Native Plant Society, 1984.
Cirsium fontinale var. obispoense range map.
Cirsium fontinale var. obispoense, Chorro Creek bog thistle
Visit the U.S. Fish & Wildlife Service Species Profile link below for links to listing and other USFWS documents.
- Habitat destruction and degradation due to development
- Proposed water diversions
- Narrow habitat specificity (restricted to seeps and springs in serpentine-derived soils)
- Road right-of-way maintenance
- Excessive trampling by cattle
National Forest and Grassland Occurrence
U.S. Forest Service
1400 Independence Ave., SW, Mailstop Code: 1103
Washington DC 20250-1103
Last modified: Wednesday, 13-Oct-2010 14:36:18 EDT