A new paper in Molecular Biology and Evolution indicates that while the United Nations Office on Drugs and Crime has collected annual data on areas of coca cultivation in South America for decades to monitor the establishment of illegal plantations and associated deforestation, scientists can’t reliably distinguish among different types of coca plants. A new paper in Molecular Biology and Evolution indicates that while the United Nations Office on Drugs and Crime has collected annual data on areas of coca cultivation in South America for decades to monitor the establishment of illegal plantations and associated deforestation, scientists can’t reliably distinguish among different types of coca plants. Plants & Animals Agriculture Phys.org – latest science and technology news stories