Caltrop has spread all over the place - it loves places where it has little competition, and spreads on shoes, bike and vehicle tyres, so watch out for bare feet!
Several diligent people have been digging some out along the edge of the bike track. It is not hard to dig out, as single plants spread in all directions. Best when flowers are just starting.
It is very difficult to remove entirely, as seeds spread easily especially from mature plants. Herbicides are not the complete answer.
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| A patch of Caltrop - with small yellow flowers. |
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