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There are some fabulous specialist native plant retailers around Australia that I can recommend. You should be able to find most, if not all, the plants in the database at these nurseries. If they do not have them in stock they can usually get them for you.
The Wildflower Place at Erina on the NSW Central Coast, talk to Nola Parry
Sydney Wildflower Nursery at Heathcote, talk to Dave Rose there
Nielsen's Native Nursery in Brisbane with Dennis Nielsen
Kuranga Nursery in Melbourne with Evan Clucas
Muchea Tree Farm north of Perth with Steve and Natalie Vallance