Ito, T., Nakamura, K., Park, C.-H., Song, G.-P., Maeda, A., Watanabe, Y. and Kokubugata, G. 2014. Nuclear and plastid DNA data confirm that Sedum tosaense (Crassulaceae) has a disjunct distribution between Pacific mainland Japan and Jeju Island, Korea. Phytotaxa. 177, 4 (Sep. 2014), 221–230. DOI:https://doi.org/10.11646/phytotaxa.177.4.3.