In general, Aboriginal family groups would moves around their lands following various food cycles and would out of necessity camp near water courses whenever possible, there are a number of other staple plants used for food by them which I had not previously mentioned because of the fact that they are essentially water plants and short of sinking a couple of bath tubbs into your vegie patch in order to create a miniature wetland, you are not likely to be able to grow enough to be able to demonstrate their use (not to mention the potential drowning hazard for kindi-kids), these include the Bulrush or Reed Mace (Typha Sp.) roots, the roots of the Common Reed (Phragmites australis), the tubers of the Water Ribbons (Triglochin procera) and the corms of the Marsh Club-Rush (Bolboschoenus medianus).
Coastal plants that may survive in your patch include New Zealand Spinach (Tetragonia tetragoniodes) and Coast Beard Heath (Leucopogon parviflorus)
Plains/Forest plants include the bulbs of the Chocolate lily (Dichopogon strictus), Bulbine lily (Bulbine Bulbosa), Vanilla lily (Arthropodium minus) and Milkmaids (Burchardia umbellata)
For fruit bushes you could try Muntries (Kunzea pomifera), and Apple-Berry (Billiardiera scandens) and perhaps a couple of Finger Limes but AVOID things like Kangaroo Apple (Solanum lacinatum) with the fruit being quite toxic until it becomes completely ripe.
Please Note. MOST of these foods were prepared by roasting or cooking in some way BEFORE eating!!!.
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