Flora Malesiana. Series I, Spermatophyta - Kebun Raya Indonesia. (Noordhoff-Kolff, 1994)

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

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1931)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1931)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1904)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)