Kobayashi, N., T. Handa, I. Miyajima, K. Arisumi, and K. Takayanagi. 2007. “INTROGRESSIVE HYBRIDIZATION BETWEEN RHODODENDRON KIUSIANUM AND R. KAEMPFERI (ERICACEAE) IN KYUSHU, JAPAN BASED ON CHLOROPLAST DNA MARKERS”. Edinburgh Journal of Botany 64 (3): 283-93. https://doi.org/10.1017/S0960428607004593.