Banned plants

What's growing in your garden? The (Australian) Federal Government wants to expand the list of prohibited plants listed in the Drug Act to include among others all Angel's Trumpets, many common cacti and many native and exotic wattles. Is this necessary to fight drug trafficking and manufacture? Or will these laws make criminals out of nurseries, gardeners and botanic collectors?
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DISCUSSION PAPER (Implementation of model schedules for Commonwealth serious drug offences)