Australia: The Land Where Time Began

A biography of the Australian continent 

Australian Tertiary Phytogeography - Palynoflroas - Oligocene

The floras are less diverse than in the Eocene, the Proteaceae were greatly reduced and Nothofagus was still common. There were a number of angiosperms in the inland regions that now have affinities closer to tropical taxa (MacPhail & Truswell, 1989).  

Sources & Further reading

H.A. Martin in Hill, Robert S., (ed.), 1994, History of the Australian Vegetation, Cambridge University Press.