1. Correll, D.S. and Johnston, M.C. (1979) Manual of the Vascular Plants of Texas. Texas Research Foundation, Renner.
2. USDA NRCS (2023) United States Department of Agriculture Natural Resources Conservation Service. Plants Database. United States Department of Agriculture Natural Resources Conservation Service. http://plants.usda.gov/java/profile?symbol
3. Lack of woody species recruitment in isolated deep canyon deciduous woodlands in central Texas, USA1
4. Light Levels and Herbivory Partially Explain the Survival, Growth, and Niche Requirements ofStreptanthus bracteatusA. Gray (Bracted Twistflower, Brassicaceae), a Rare Central Texas Endemic
5. Barbour, M.G. and Billings, W.D. (1988) North American Terrestrial Vegetation. Cambridge University Press, New York.