1. Airy Shaw, H. K. .. “Note on the taxonomic position ofNyctanthes L. andDimetra Kerr,”Kew Bull., 1952, 271–72.
2. Bentham, G. and Hooker, J. D.Genera Plantarum, 1873–76,2, London.
3. Crete, P. .. “Embryo: in Maheshwari, P. (ed.), Recent advances in the embryology of angiosperms,”Int. Soc. Pl. Morphologists, Delhi, 1963, 171–220.
4. Das, V. S. and Rao, K. N... “Chemotaxonomical investigation ofNyctanthes,”Naturwissenschaften, 1966,53, 439.
5. De Jussieu, A. L. ..Genera Plantarum, Paris, 1789.