Y.  Takeda, Shimidzu, H., Mizuno, K., Inouchi, S., Masuda, T., Hirata, E., Shinzato, T., Aramoto, M., ??? Otsuka, H., ?An iridoid glucoside dimer and a non-glycosidic iridoid from the leaves of Lasianthus wallichii.?, Chemical and pharmaceutical bulletin, ?? 50, ?. 1395?1397, 2002.

H.  Zhu, ?A revision of the genus Lasianthus (Rubiaceae) from China?, Systematics and Geography of Plants, ?. 63?110, 2002.