Sharp, Cathy, and Rob S. Burrett. “Mushroom Art in South Africa and Zimbabwe – Emil Holub: 1847–1902”. Bothalia, African Biodiversity & Conservation 51, no. 2 (October 18, 2021). Accessed December 6, 2021. https://abcjournal.org/index.php/BothaliaABC/article/view/355.