Recent Examples on the WebDr Singer and Dr Parmasan then saw the whole population vanish within a year, when a change of land use caused ribwort to disappear, even though blue-eyed Mary was still available.The Economist, 9 May 2018 This week’s Nature, however, describes the fate of a population of the insect in Nevada that evolved to prefer ribwort plantain, a weed introduced from Europe that is common in American cattle pastures.The Economist, 9 May 2018