Suetsugu, K., L. C. Yiing, A. Naiki, S. Tagane, Y. Takeuchi, H. Toyama, and T. Yahara. “/P>”;. Phytotaxa, vol. 338, no. 1, Feb. 2018, pp. 135–139, doi:10.11646/phytotaxa.338.1.13.