Figure 2: Alternaria alternata (causal agent) of leaf spot disease on endangered plant (Indopiptadinea odhunensis). A: host-pathogen interaction showing conidium attached on conidiophore (arrow indicating) formed on host epidemis; B: tufts of conidiophores and stroma on sub-epidermal position; C: Single conidium; D, E: Chains of conidia; Scale bars A, B, C, D, E=20 μm.