Template:Takeuchi & Arifiani, 2018
- Takeuchi, W. & Arifiani, D. 2018. Floristic records in Rubiaceae from the upper Sepik of Papua New Guinea: Airosperma grandifolia and Psychotria augustaflussiana sp. nov.. Harvard Papers in Botany 23(1): 1–8. DOI: 10.3100/hpib.v23iss1.2018.n1 PDF