japonica 'Variegata'已獲得皇家園藝學會優秀園藝獎(Award of Garden Merit)。 Kim, Kwang Jin; Kil, Mi Jung; Song, Jeong Seob; Yoo, Eun Ha; Son, Ki-Cheol; Kays, Stanley J.
1985: 7. OCLC 976978783. Kim Il-song Receives Decorations. The Service. May 1978: D–7. Gifts, Awards for Kim Chong-il, Kim Il-song Noted. The Service. 1992: