J. Freitas, E. J. De Lírio, E. F. Guimarães, and A. Alves-Araújo, “Two new records and morphological discussions of Aristolochia (Aristolochiaceae) from Rio de Janeiro State, Brazil”, J. Bot. Res. Inst. Texas, vol. 13, no. 1, pp. 235–240, Jul. 2019.