100 m.y.a. Flowering plants evolve in West Gondwana. Great Rift  valley between Africa and South America is centre of evolution.  

90 m.y.a. Flowering plants migrate to all continents and begin to compete with conifers etc.  

80 m.y.a. First Nothofagus seen in Antarctica. Southern conifers still dominant in Australia - Huon Pine, Phyllocladus, Callitris. First Proteaceae in Australia. Nothofagus arrives via Antarctica and South America, but does not reach Africa. Ilex is first flowering plant to occur in Australia.