1. ‘Flora Republicae Popularis Sinicae’, Eds. Y. Jiang, B. T. Li, Institutum Academiae Sience Press, Beijing, 1979, Vol. 74, p. 133.
2. Jiangsu College of New Medicine, ‘A Dictionary of Traditional Chinese Medicines’, Shanghai Science and Technology Press, Shanghai, 1977, pp. 578, 1321, 2530, 3053, 3291, 4371, 4866.
3. Triterpenoid saponins from the ground part of Aster ageratoides var. ovatus
4. Labdane diterpene glycosides with 6-deoxy-L-idose from Aster spathulifolius Maxim.