I'm a strong believer DDZX and have spent a great portion of my life preserving and re-establishing native flora some of this now paying gains through carbon on blocks acquired and regenerated in the past - but that was never the intention just a great reward in recent years. I'm guessing by your list though they are mainly show pieces of Australian flora from different districts ? Endemic plants of critical importance to restore bush land are what people should be looking closely at ie. plants that naturally occurred in the area now being restored and protected. Where possible everything over the years has been from naturally occurring specimens within ~10km radious. I've also spent a lot of time over the years trying to remove "native" plants that are say local to a region in one state yet become an invasive weed in another.
It is an indeed an addiction and one well rewarded as time moves forward - it is well worth looking closely into the history of your locality and trying to source those plants aswell.
