Deysel, Rouxdene, Willem J. Myburgh, and Mike D. Panagos. 2017. “Fine-Scale Habitat Requirements of the Heidelberg Opal Butterfly (Chrysoritis Aureus) in Gauteng and Mpumalanga, South Africa”. African Biodiversity & Conservation 47 (1). https://mail.abcjournal.org/index.php/abc/article/view/94.