For Pittosporaceae
Carolin, R.C., and V. Bittrich. 2018. Pittosporaceae. In Kadereit, J., & V. Bittrich. 2018. The families and genera of flowering plants. XV. Flowering plants. Eudicots. Apiales, Gentianales (except Rubiaceae). Springer, Cham.
Judd, W.S. 1996. The Pittosporaceae in the southeastern United States. Harvard Papers in Botany 8: 15-26.
Whittemore & McClintock in FNA (in prep.)