Boletim da Sociedade Broteriana - Sociedade Broteriana. (Instituto Botânico da Universidade de Coimbra, 1882)

Flora van Nederlandsch Indie¨ - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C. G. van der Post; [etc.], 1859)

The freshwater swamp-forest of South Johore and Singapore - Corner, E. J. H. (Edred John Henry) (Botanic Gardens, Parks & Recreation Dept, 1978)

The freshwater swamp-forest of South Johore and Singapore - Corner, E. J. H. (Edred John Henry) (Botanic Gardens, Parks & Recreation Dept, 1978)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1960)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1960)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1965)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1965)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1965)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1965)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1979)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1983)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1994)

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

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1996)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1997)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1841)

Nouvelles annales du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Roret, 1834)

Plant specimen labels : Indonesia - Rachman, Ismail A., (1997)

Plant specimen labels : Indonesia - Ismail, A. L. S. (1994)