Albonectria rigidiuscula is a fungal plant pathogen. The anamorph of A. rigidiuscula the fungus Fusarium decemcellulare is associated with inflorescence wilt and vascular necrosis in fruit tree crops such as Mango (Mangifera indica), Longan (Dimocarpus longan) and Rambutan (Nephelium lappaceum L.). F. decemcellulare causes a disease known as cushion gall in Theobroma cacau and other tropical trees.