For Apocynaceae
Endress, M.E., S. Liede-Schumann, and U. Meve. 2014. An updated classification for Apocynaceae. Phytotaxa 159(3): 175-194.
Endress, M.E., U. Meve, D.J. Middleton, and S. Liede-Schumann. 2018. Apocynaceae. In Kadereit, J., & V. Bittrich. 2018. The families and genera of flowering plants. XV. Flowering plants. Eudicots. Apiales, Gentianales (except Rubiaceae). Springer, Cham.
Liede, S. 1997a. Subtribes and genera of the tribe Asclepiadaceae (Apocynaceae, Asclepiadoideae) – a synopsis. Taxon 46: 233-247.
Rosatti, T.J. 1989. The genera of the suborder Apocynineae (Apocynaceae and Asclepiadaceae) in the southeastern United States. J. Arnold Arb. 70: 443-514.
Sennblad, B., and B. Bremer. 1996. The familial and subfamilial relationships of Apocynaceae and Asclepiadaceae evaluated with rbcL data. Pl. Syst. Evol. 202: 153-175.
Woodson, R.E., Jr. 1938. Apocynaceae. N. Amer. Fl. 29(2): 103-192.