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I didn't know it was in Australia. There a many species, most are edible but a few are not. better check first.

Not native , it was introduced as a garden plant. Caused massive problems in the early 1900's. They released the Cactoblastis moth as a biocontrol agent which worked much better than some of the governments other biocontrol efforts such as the Cane Toad for the Cane beetle which has now spread to 1/3 of the country and is decimating many ecosystems on its way.

oh i c like the bull frog right. ah so. I bet it really thrives there.

Canada is losing forest to the Asian Long Horn Beetle similarly to Aussies issue

Consider yourself followed, Stephen. I'm in Adelaide, you?

That's much nicer than Adelaide. You win.