Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1875)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1894)

Flora Malesiana Series I Spermatophyta - Kebun Raya Indonesia. (Noordhoff-Kolff, 1956)

The flora of British India - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve, 1875)

The flora of British India - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve, 1875)

The flora of the Malay Peninsula - Ridley, H. N. (Henry Nicholas), 1855 -1956 (L. Reeve & co., ltd, 1922)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1993)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 1993)

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

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

The Gardens' bulletin; Straits Settlements (Botanic Gardens, Singapore, 1928)

Journal of the Straits Branch of the Royal Asiatic Society - Royal Asiatic Society of Great Britain; Ireland. Malaysian Branch. (1897)

Journal of the Straits Branch of the Royal Asiatic Society - Royal Asiatic Society of Great Britain; Ireland. Malaysian Branch. (1902)

Malaya botanical exploration - Botanic Gardens (Singapore) (1930)

Materials for a flora of the Malayan Peninsula - King, George, 1840 -1909 (1889)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)