Peperomia nitida and P. armondii (Piperaceae, subgen. Rhyncophorum) are recorded for the first time for the Argentinean flora in the province of Misiones. The species are described and illustrated, and their geographical distributions are updated. A key to distinguish the Argentinean species of sub-gen. Rhyncophorum is included, and P. elongata is excluded from the Argentinean Flora.
Zanotti, C. A., & Biganzoli, F. (2010). Peperomia nitida y peperomia armondii (Piperaceae), nuevos registros para la Argentina. Darwiniana,48, (2),p.210-213
Zanotti, Christian A., Biganzoli, Fernando. 2010. "Peperomia nitida y peperomia armondii (Piperaceae), nuevos registros para la Argentina". Darwiniana 48, no.2:210-213.
Recuperado de http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2010Zanotti