Zhou, Shou-Biao, Xin Hong, Wen Ma, and Fang Wen. 2014. “<i>Primulina lechangensis</I> (Gesneriaceae), A New Species from a Limestone Cave of Northern Guangdong, China”. Bangladesh Journal of Plant Taxonomy 21 (2):187-91. https://doi.org/10.3329/bjpt.v21i2.21359.