1. Oleksyn, J. & Przybyl, K. Eur. J. Forest Path. 17, 321–326 (1987).
2. Brasier, C. M., Robredo, F. & Ferraz, J. F. P. Plant Path. (in the press).
3. Shearer, B. L. & Tippett, J. T. Department of Conservation and Land Management, Como, Western Australia Research Bulletin 3, 1–76 (1989).
4. Zentmyer, G. A. Am. Phytopath. Soc. Monogr. 10, 1–96 (1980).
5. Moreau, C. & Moreau, M. Rev. Path. veg. Ent. agric. Fr. 31, 201–231 (1952).