1. Bachman, S., Moat, J., Hill, A., de la Torre, J. & Scott, B. (2011). Supporting Red List threat assessments with GeoCAT: Geospatial Conservation Assessment Tool. ZooKeys 150: 117 – 126.
2. Backer, C. A. & Bakhuizen van der Brink, R. C. (1965). Flora of Java, Vol. 2. N. V. P. Nord, Groningen.
3. Beaman, J. H. & Anderson, C. (2004). The Plants of Mount Kinabalu 5: Dicotyledon Families Magnoliaceae to Winteraceae. Natural History Publications (Borneo), Kota Kinabalu and Royal Botanic Gardens, Kew.
4. Beentje, H. (2010). The Kew Plant Glossary: An Illustrated Dictionary of Plant Terms. Royal Botanic Gardens, Kew.
5. Bhandari, M. M. & Bhansali, A. K. (1990). Rhamnaceae. In: M. P. Nayar, K. Thotathri & M. Sanjappa (eds), Fascicles of Flora of India 20: 26 – 114. Botanical Survey of India, New Delhi.