Dicksonia and Hardenbergia, are found in Australia?
Dicksonia Dicksonia is a genus of tree ferns in the order Cyatheales. It is regarded as related to "Cyathea", but is considered more primitive, dating back at least to the Jurassic and Cretaceous periods. The fossil record includes stems, pinnules, and spores.
Syncarpia Syncarpia is a small group of trees in the myrtle family (Myrtaceae) described as a genus in 1839. They are native to Queensland and New South Wales in Australia.