LITERATURE CITED
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- Fischer, G. W.. 1953. Induced hybridization in graminicolous smut fungi. II. Ustilago striiformis X Ustilago bullata. Phytopathology 43: 547–550.
- Fischer, G. W., and E. Hirschhorn. 1945. A critical study of some species of Ustilago causing stem smut on various grasses. Mycologia 37: 236–266.
- Hoffmann, J. A., and G. W. Fischer. 1963. Induced hybridization in graminicolous smut fungi. III. Further studies of Ustilago hordei X bullata. Mycologia 55: 549–562.