This is a noxious weed that can be controlled by removing it promptly. I have been told the burrs hold two seeds, one for next year and one for the year after.
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2,154,606 sightings of 19,958 species in 6,505 locations from 11,466 contributors
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We acknowledge the Traditional Owners of this land and acknowledge their continuing connection to their culture. We pay our respects to their Elders past and present.