South African Orchids Disa bracteata were growing beside the road in several places. It's a robust plant that was introduced to Western Australia about 60 years ago and has since spread to South Australia, and Victoria only a decade or so ago. Apparently it seeds very readily and is self-pollinating.
I think it's here to stay unfortunately. And maybe we became vectors by walking around it observing and photographing, getting back into the car and then walking around different areas.
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