Jeong, K. S., Shin, J. K., Maki, M., & Pak, J.-H. (2016). Phylogeny of <i>Galium</i> L. (Rubiaceae) from Korea and Japan based on chloroplast DNA sequence. Bangladesh Journal of Plant Taxonomy, 23(2), 237–246. https://doi.org/10.3329/bjpt.v23i2.30858