D.  Prain, Bengal plants 1. Calcutta: , 1903.

J. F.  Duthie, Flora of the upper Gangetic plain and of the adjacent Siwalik and sub-himalayan tracts 1. Calcutta: Government Printing, 1903.

T.  Cooke, The flora of the presidency of Bombay 1. London: Taylor and Francis, 1903.