Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Hartman, R. L. & B. E. Nelson. 1998. Novelties from North America north of Mexico: A 20-Year Vascular plant Diversity Baseline. 1–51 (mss.). http://www.tropicos.org/Reference/11044
- Wagner, W. H. J., A. R. Smith & T. R. Pray. 1983. A cliff brake hybrid Pellaea bridgesii x mucronata and its systematic significance. Madroño 30: 69–83. http://www.tropicos.org/Reference/11527
Regularity: Regularly occurring