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2. Gymnosporangium of Japan I1;Hiratsuka;Bot. Mag. Tokyo,1936
3. Rust flora of Japan;Hiratsuka,1992
4. Morphology of spermogonia and taxonomy of rust fungi;Hiratsuka;Rept. Tottori Mycol. Inst. (Japan),1963
5. A revised taxonomic account of Gymnosporangiurn;Kern,1973