Professor Lemerle is an agricultural weed scientist who has published over 150 scientific papers.
She has research awards, including, the NSW Agriculture ‘Outstanding Achievement’, the Council of Australian Weed Science Societies Excellence Medal, and was a New Inventors Grand Finalist with ‘Stubble Star’ in 2005.
She led the Cropping Program of the CRC for Australian Weed Management, and was appointed in 2005 inaugural Director of the Graham Centre for Agricultural Innovation at Charles Sturt University.
She represented Australia in the “10 Sisters” exhibit at the World Expo in China.
She has served on various advisory and editorial boards.