Dat, N.Q., Cuong, N.H., Long, V.N. and Truong, L.H. 2016. Billolivia cadamensis (Gesneriaceae), a new species from Central Vietnam. Academia Journal of Biology. 38, 4 (Dec. 2016), 492–496. DOI:https://doi.org/10.15625/0866-7160/v38n4.8837.