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In the Reference section: The list of references should follow the text (after Acknowledgements) and be in alphabetical order by the family name of the first author. References with the same first author should be listed in the following order: papers with a single author in chronological order, then papers with two authors in alphabetical order by the second author, followed by papers with more than two authors in chronological order.
For abbreviations of journal and periodical publications follow BPH-2 (available free online at http://huntbot.andrew.cmu.edu/HIBD/Departments/Databases.shtml). Serial titles not in BPH-s should be given in full.
Steele, P.R. and Pires, J.C. 2011. Biodiversity assessment: State-of-the-art techniques in phylogenomics and species identification. Amer. J. Bot. 98: 415-425.
Sanz, J.M.C. and Rodriguez, P.M. 2012. Synopsis of Acalypha (Euphorbiaceae) of continental Ecuador. PhytoKeys 17: 1-17. doi:10.3897/phytokeys.17.3190
McCune, B. and Grace, J.B. 2002. Analysis of ecological communities. Gleneden Beach, Oregon: MJM Press.
Blench, R. 2007. The intertwined history of the silk-cotton and baobab. In: Van der Veen, M. (ed.), Fields of change: Progress in African archeobotany. Groningen: Barkhuis &Groningen University: 1-20.
Chappell, J., Takahashi, S., Green Hagen, B., Zhao, Y., O'Maille, P., Noel, J., and Coates, R. 2005. Unravelling the wizardry of terpene biosynthetic enzymes. In: Proceedings XVII International Botanical Congress, Vienna, Austria, 17-23, July, 2005: 206.
Kuzovkina-Eischen, Y.A. 2003. Stress tolerance and horticultural evaluation of the genus Salix. PhD Thesis, Ohio State University, Columbus, Ohio, US
For websites, provide, when possible, author(s)/creator(s) of website; title; URL; date of creation, last modification, or revision; and access date, e.g.,
Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012, http://www.mobot.org/MOBOT/research/APweb/ (accessed 16 Feb 2013).
A sample database citation:
The International Plant Names Index (IPNI). http://www.ipni.org/ (accessed 16 Feb 2013).
Authors should include all figures and tables in the main file of the manuscript (rather than separate files). Authors of accepted articles will be asked to provide the source files of the figures, at which time each figure should be supplied in a separate electronic file. All figures should be cited in the paper in consecutive order. Figures must be supplied in conventional formats, such as CorelDraw, PowerPoint, Excel, Photoshop, TIFF, GIF, or JPEG.
Tables should be cited in consecutive order. Every table must have a title and descriptive legend.