A Morphometric Study of Species Boundaries of the Wild Potato Solanum Series Piurana (Solanaceae) and Putatively Related Species from Seven Other Series in Solanum Sect. Petota (2008)
A Morphometric Study of Species Boundaries of the Wild Potato Solanum Series Conicibaccata: a Replicated Field Trial in Andean Peru (2008)
Pattern of genetic diversity of cultivated and non-cultivated mashua, Tropaeolum tuberosum, in the Cusco region of Peru (2007)
Glucosinolate Survey of Cultivated and Feral Mashua (Tropaeolum tuberosum Ruíz & Pavón) in the Cuzco Region of Peru (2006)
Genetic diversity of the Andean tuber-bearing species, oca (Oxalis tuberosa Mol.), investigated by inter-simple sequence repeats (2006)
Effects of post-harvest treatments on the carbohydrate composition of yacon roots in the Peruvian Andes (2004)