V. H. A. S. and M.C. RIJU, “The genus Schiffnerula on Asteraceae in Kerala, India”, Indian Phytopath., vol. 63, no. 3, pp. 321–325, Sep. 2010, Accessed: Oct. 20, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/12456