For Lindernia
Cooperrider, T.S., and G.A. McCready. 1975. On separating Ohio specimens of Lindernia dubia and L. anagallidea (Scrophulariaceae). Castanea 40: 191-197.
Fischer In Kadereit, J.W. 2004. The families and genera of vascular plants. VII. Flowering plants – Dicotyledons – Lamiales (except Acanthaceae including Avicenniaceae). Springer, Berlin. 478 pp.
Fischer, E., B. Schäferhoff, and K. Müller. 2013. The phylogeny of Linderniaceae – the new genus Linderniella, and new combinations within Bonnaya, Craterostigma, Lindernia, Micranthemum, Torenia, and Vandellia. Willdenowia 43: 209-238.
Lewis, D.Q. 2000. A revision of the New World species of Lindernia (Scrophulariaceae). Castanea 65: 93-122.
Lewis, D.Q. 2019a. Lindernia. 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.
Pennell, F.W. 1935. The Scrophulariaceae of eastern temperate North America. Academy of Natural Sciences of Philadelphia Monograph No. 1.
Qualls, D.A. 1984. A revision of the New World species of Lindernia Allioni (Scrophulariaceae). M.A. Thesis, Dept. of Biology, Univ. of North Carolina at Chapel Hill, Chapel Hill, NC.