References
For Tricerma
Biral, L., M.P. Simmons, E.C. Smidt, L.R. Tembrock, M. Bolson, R.H. Archer, and J.A. Lombardi. 2017. Systematics of New World Maytenus (Celastraceae) and a new delimitation of the genus. Syst. Bot. 42: 1-14. Google Scholar
Lundell, C.L. 1971. Studies of North American plants -- III. Wrightia 4: 153-170. Google Scholar
Ma, J., and G.A. Levin. 2016c. Maytenus. In Flora of North America Editorial Committee. 2016. Flora of North America north of Mexico. Volume 12, Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York, NY. 603 pp. Google Scholar
McKenna, M.J., M.P. Simmons, C.D. Bacon, and J.A. Lombardi. 2011. Delimitation of the segregate genera of Maytenus s.l. (Celastraceae) based on morphological and molecular characters. Syst. Bot. 36: 922-932. Google Scholar
Nesom, G.L. 2009d. Notes on the taxonomy of Maytenus phyllanthoides (Celastraceae. Phytologia 91: 64-68. Google Scholar
Simmons, M.P., J.A. Lombardi, and L. Biral. 2023. Classification of the Celastrales based on integration of genomic, morphological, and Sanger-sequence characters. Syst. Bot. 48(2): 283-299. Google Scholar
Simmons. 2004. In Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp. Google Scholar