Geographical distribution of <i>M. lini</i> lineages in the Mountains and Plains regions in southeastern New South Wales, Australia.

<p>Within each region, 5 host-pathogen population pairs were sampled for regional assessments of host resistance and pathogen infectivity. Genetic characterization of pathogen isolates (collected during the 2006 growing season) was conducted using microsatellite markers. On average, 30 pathogen isolates were tested per population.