sourceTaxonName: Puccinia triticina
targetTaxonName: Triticum aestivum
localityName: North America
referenceCitation: Kolmer, J.A., and Andreson, J.A.. 2011. First detection in North America of virulence in wheat leaf rust (%Puccinia triticina%) to seedling plants of wheat with Lr21 . Pl. Dis. 95:1032