On Razorback Range near Camden, where sandstone strata of the Wianamatta formation outcrop, grow remnants of dry vine scrub, a dry rainforest type of vegetation with rainforest trees and vines but much drier than normal rainforest. Trees include Alphitonia excelsa, Guioa semiglauca, Toona australis and Ficus rubiginosa and vines, Aphanopetalum resinosum and Cissus hypoglauca. Small patches of similar vegetation may have occurred sporadically in other parts of the Cumberland Plain. His list includes a number of species which are now extinct in Western Sydney. At Agnes Banks near Richmond is an isolated deposit of windblown sand with an interesting shrub-dominated community, floristically similar to that found on coastal sand dunes such as Myall Lakes, and in the eastern suburbs of Sydney before European settlement.
Vegetation ranges from woodland to low woodland, with small areas of open-scrub.
Banksia serrata and the closely related Banksia aemula are generally a smaller but very distinctive tree species found on well drained sites. A perimeter of Hawkesbury Sandstone vegetation The Hawkesbury Sandstone areas of the Lower Blue Mountains, the Woronora Plateau and Hornsby Plateau surround Western Sydney. Vegetation here ranges from open-forests in gullies to woodland on ridges and heath on sites with very shallow or poorly drained soils. Species are generally quite different from those on the Cumberland Plain. The sandstone areas include those along the Georges River from Holsworthy to Wedderburn, along the Nepean River at Bents Basin, and Fairlight.