For Acanthaceae
Long, R.W. 1970. The genera of Acanthaceae in the southeastern United States. J. Arnold Arb. 51: 257-309. Google Scholar
McDade, L.A., and M.L. Moody. 1999. Phylogenetic relationships among Acanthaceae: evidence from noncoding trnL-trnF chloroplast DNA sequences. Amer. J. Bot. 86: 70-80. Google Scholar
Wasshausen, D.C. 1998. Acanthaceae of the southeastern United States. Castanea 63: 99-116. Google Scholar