For Boltonia
Anderson, L.C. 1987. Boltonia apalachicolensis (Asteraceae): a new species from Florida. Syst. Bot. 12: 133-138. Google Scholar
Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C. Google Scholar
Karaman-Castro, V., and L.E. Urbatsch. 2006. Boltonia. In Flora of North America Editorial Committee. 2006b. Flora of North America north of Mexico. Volume 20, Magnoliophyta: Asteridae, part 6: Asteraceae, part 2. Oxford Univ. Press, New York, NY. 666 pp. Google Scholar
Morgan, J.T. 1966. A taxonomic study of the genus Boltonia (Asteraceae). Ph.D. dissertation, University of North Carolina at Chapel Hill. Google Scholar
Nesom, G.L. 2000b. Generic conspectus of the tribe Astereae (Asteraceae) in North America and Central America, the Antilles, and Hawaii. Sida Botanical Miscellany 20: 1-100. Google Scholar
Sorrie, B.A., and R.J. LeBlond. 2008. Noteworthy collections from the southeastern United States. J. Bot. Res. Inst. Texas 2: 1353-1361. Google Scholar
Townsend, J.F. 2013. Recognition of Boltonia asteroides var. glastifolia and reestablishment of a more restrictive taxonomic concept for Boltonia asteroides var. asteroides. Phytoneuron 2013-9: 1-8. Google Scholar
Townsend, J.F., and V. Karaman-Castro. 2006. A new species of Boltonia (Asteraceae) from the Ridge and Valley physiographic province, U.S.A. Sida 22: 873-886. Google Scholar