[1] At the time of publication in 2000 the number of published vascular plant species recognised had reached 9640 - almost double since the work of Beard in 1969.
[2] The publication of the book was an important stage of the cataloguing of details of flora in Western Australia.
[3] The introduction of the book by Alex R. Chapman is available as a PDF file, at the external link at FloraBase.
[4] The front inside cover has an important distinctive map of Western Australian Biogeographic Regions and Botanical Provinces, after Creswell and Thackray 1995 - the authors of the IBRA system.
After Beard's summary of Diels, Burbidge and Gardner in 1980 he established the three phytogeographic provinces - Northern, Eremaean, and South West, and the map links in the relationship of these with the IBRA regions and sub regions.