From Hindustan Times
Center Owned by HT MediaIn 1788, prickly pear from the Americas was brought to Australia for hedges and red dye; by the 1920s, it had taken over 24 million hectares of land
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Prickly pear came to Australia in 1788 for red dye. By the 1920s, it had taken over 24 million hectares, before moths released in 1926 began clearing it.