References
- Kolmer , J. A. 1993 . Physiologic specialization of Puccinia recondita f. sp. tritici in Canada in 1991 . Can. J. Plant Pathol. , 15 : 34 – 36 .
- Long , D. L. and Kolmer , J. A. 1989 . A North American system of nomenclature for Puccinia recondita f. sp. tritici . Phytopathology , 79 : 525 – 529 .