The Wet Tropics has one of the highest levels of biological diversity of any region of Australia
and is represented on The Global 200 list (Olson et al 2000) which is a collection of the Earth's 200 most outstanding, important and diverse terrestrial, freshwater, and marine habitats - areas
where the Earth's biological wealth is most distinctive and rich.
The Wet Tropics of Queensland provides an unparalleled living record of the ecological and evolutionary processes
that shaped the flora and fauna of Australia over the past 415 million years when first it was part of the Pangaean landmass, then the ancient continent Gondwana, and for the past 50 million
years an island continent.
The Wet Tropics of Queensland contains one of the most
complete and diverse living records of the major stages in the evolution of land plants, from the very first land plants to the pteridophytes, gymnosperms and angiosperms.
The Wet Tropics of Queensland contains most of the relicts that exist on Earth of the flora of the forests
which were part of the super continent Gondwana.