Two further specimens of N. ovata, Nepenthes Team (Hernawati, P. Akhriadi & I. Petra) NP 373 and 377, were collected on December 16, 2003, as part of a conservation expedition focusing on Nepenthes. They were taken from Mount Pangulubao at an altitude of between 1500 and 2100 m. Both are deposited at the herbarium of Andalas University in Padang, West Sumatra.