References

For Chaptalia

Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C. Google Scholar

Harms, R.T. 2011. A study of Chaptalia (Asteraceae: Mutisieae) in central, southern, and western Texas and the resurrection of Chaptalia carduacea. Lundellia 14: 8-26. Google Scholar

Nesom, G.L. 1995a. Revision of Chaptalia (Asteraceae: Mutisieae) from North America and continental Central America. Phytologia 78: 153-188. Google Scholar

Nesom, G.L. 2006a. Chaptalia. In Flora of North America Editorial Committee. 2006a. Flora of North America north of Mexico. Volume 19, Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford Univ. Press, New York, NY. 579 pp. Google Scholar

Vuilleumier, B.S. 1969. The tribe Mutisieae (Compositae) in the southeastern United States. J. Arnold Arb. 50: 620-625. Google Scholar