For Matelea
Drapalik, D.J. 1969. A biosystematic study of the genus Matelea in the southeastern United States. Ph.D. dissertation, University of North Carolina, Chapel Hill. 225 pp. Google Scholar
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. Google Scholar
Fishbein, M., and A. McDonnell. 2023. Matelea. In Flora of North America Editorial Committee. 2023c. Flora of North America north of Mexico. Volume 14, Magnoliophyta: Gentianaceae to Hydroleaceae. Oxford Univ. Press, New York, NY. 505 pp. Google Scholar
McDonnell, A., and M. Fishbein. 2016. Matelea hirtelliflora (Apocynaceae), a new species of milkweed vine from northeast Texas. Syst. Bot. 41: 781-786. Google Scholar
Singhurst, J. R., and W. C. Holmes. 2021. Matelea baldwyniana (Asclepiadaceae) new to the Texas flora. Phytologia 103(4): 86-89. Google Scholar
Woodson, R.E., Jr. 1941. The North American Asclepiadaceae. I. Perspective of the genera. Ann. Missouri Bot. Garden 28: 193-244. Google Scholar