References
- Kolmer , J. A. 1991 . Physiologic specialization of Puccinia recondita f. sp. tritici in Canada in 1990 . Can. J. Plant Pathol. , 13 : 371 – 373 .
- Long , D. L. and Kolmer , J. A. 1989 . A North American system of nomenclature for Puccinia recondita f, sp. tritici . Phytopathology , 79 : 525 – 529 .