The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2004)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2005)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2006)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2007)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2008)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2009)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2010)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2011)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2012)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2013)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2015)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2016)

The Gardens' bulletin, Singapore (Govt. Print. Off. [etc.], 2018)

Gardens, wildlife densities, and subsistence hunting by Maya Indians in Quintana Roo, Mexico - Jorgenson, Jeffrey P. (1993)

Geschichte der Botanik - Winckler, Emil (Literarische Anstalt, 1854)

Global biodiversity - Canadian Museum of Nature (Canadian Museum of Nature, 1995)

Global Biodiversity: status of the Earth's living resources (1992)

Global patterns of plant diversity : Alwyn H. Gentry's forest transect data set - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2002)