Byalt, V., Potokin, A., & Bubyreva, V. (2014). Type specimens of family Annonaceae Juss. kept in herbaria of St. Petersburg State University (LECB) and St. Petersburg State Forest University (KFTA), St. Petersburg (Russia). Biological Communications, (1), 55–68. Retrieved from https://biocomm.spbu.ru/article/view/1148