Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1917)

The flora of British India - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve, 1894)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1995)

The Gardens' bulletin; Straits Settlements (Botanic Gardens, Singapore, 1925)

Materials for a flora of the Malayan peninsula - Ridley, H. N. (Henry Nicholas), 1855 -1956 (Printed at the Methodist publishing house, 1907)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1911)