Thangavelu, Muthukumar, and Kandasamy Prabha. 2012. “Fungal Associations in Gametophytes and Young Sporophytic Roots of the Fern Nephrolepis Exaltata”. Acta Botanica Croatica 71 (1). https://ojs3.abc.botanic.hr/index.php/abc/article/view/498.