Home Publications & Data Book Geographical distribution and predominant races of Phyricularia oryzae author(s) Matsumoto, S published in1971 regions India Japan Philippines United States of America original file download full citation Matsumoto, Shohei. 1971. Geographical distribution and predominant races of Phyricularia oryzae . Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 14 p.