D. K. M. Donayre and L. T. Minguez, “Research Note: Histopathology of Puccinia philippinensis Syd. & P. Syd, A Fungus that Causes Leaf Rust Disease to Cyperus rotundus L”., Ann. Trop. Res, vol. 38, no. 1, pp. 221–228, Jul. 2016.