Sen, Sandeep and Nobis, Michael Peter and Saggere, Rani M.S. and Ramanujam, Srirama and Davis, Thomson and Nikolaus Karger, Dirk and Gudasalamani, Ravikanth and Tsuda, Yoshiaki (2025) Direct Integration of Population Genetics and Dynamic Species Distribution Modelling Improves Predictions of Post-Glacial History of Piper nigrum. Diversity and Distributions, 31: e70070.

Sen, Sandeep and Selvadurai, Dayanandan and Davis, Thomson and Rengaian, Ganesan and Rajanna, Jagadish M. and PJ, Mathew and Gudasalamani, Ravikanth (2019) Origin and evolution of the genus Piper in Peninsular India. Molecular Phylogenetics and Evolution, 138. pp. 102-113.