References
For Castilleja
Allison, J.R., and T.E. Stevens. 2001. The endemic flora of Ketona dolomite outcrops in Bibb County, Alabama. Castanea 66: 154-205. Google Scholar
Egger, M.J., P.F. Zika, B.L. Wilson, R.E. Brainerd, and N. Otting. 2019. Castilleja In Flora of North America Editorial Committee. 2019. Flora of North America north of Mexico. Volume 17, Magnoliophyta: Tetrachondraceae to Orobanchaceae. Oxford Univ. Press, New York, NY. 737 pp. Google Scholar
Nesom, G.L., and J.M. Egger. 2014. Castilleja coccinea and C. indivisa (Orobanchaceae). Phytoneuron 2014-14: 1-7. Google Scholar
Pennell, F.W. 1935. The Scrophulariaceae of eastern temperate North America. Academy of Natural Sciences of Philadelphia Monograph No. 1. Google Scholar
Singhurst, J.R., J.M. Egger, J.N. Mink, and W.C. Holmes. 2020. Castilleja halophila (Orobanchaceae): a new species from the Texas Coastal Bend. Phytologia 102(3): 208-218. Google Scholar