Field of Parthenium (IMAGE) University of the Witwatersrand Caption A Wits University vehicle is stuck in a field of Parthenium, outside the Kruger National Park in South Africa. Credit Blair Cowie/Wits University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.