Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1917)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1916)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1917)

Descriptive notes on Papuan plants - Mueller, Ferdinand von, 1825 -1896 (Government Printer, 1877)

The forest resources of the territories of Papua and New Guinea - Lane-Poole, C. E. (Printed and Pub. for the government of the commonwealth of Australia by H.J. Green, government printer for the State of Victoria, 1925)

The forest resources of the territories of Papua and New Guinea - Lane-Poole, C. E. (Printed and Pub. for the government of the commonwealth of Australia by H.J. Green, government printer for the State of Victoria, 1925)

A handbook of Coniferae, including Ginkgoaceæ - Jackson, Albert Bruce, 1876 -1947 (Longmans, Green, 1923)

Index Kewensis Supplement twenty one Names of seed-bearing plants at the rank of family and below published between January 1996 and the end of 2000 with some omissions from earlier years - Royal Botanic Gardens, Kew. (Royal Botanic Gardens, Kew)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1941)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1941)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1958)