Vargas Paredes, V., & Pintaud, J.-C. (2008). Characterization of a parapatric contact zone between Astrocaryum macrocalyx and Astrocaryum urostachys at the boundary of the Marañón-Pastaza flood plain and the Iquitos arch. Revista Peruana De Biología, 15(3), 079-083. https://doi.org/10.15381/rpb.v15i3.3073