For Elytraria
Daniel, T.F. 2013. Taxonomic, distributional, and nomenclatural notes on North American Acanthaceae. Mem. N.Y. Bot. Garden 108: 85-114. Google Scholar
Leonard, E.C. 1934. The American species of Elytraria. J. Washington Acad. Sci. 24(10): 443-447. Google Scholar
Long, R.W. 1970. The genera of Acanthaceae in the southeastern United States. J. Arnold Arb. 51: 257-309. Google Scholar
Ward, D.B. 2004d. Keys to the flora of Florida – 11, Elytraria (Acanthaceae). Phytologia 86: 200-202. Google Scholar
Wenk, R.C. and T.F. Daniel. 2009. Molecular phylogeny of Nelsonioideae (Acanthaceae) and phylogeography of Elytraria. Proceedings of the California Academy of Sciences 60(1): 53. Google Scholar