sourceTaxonName: Phoma macdonaldii
targetTaxonName: Helianthus annuus
localityName: China
referenceCitation: Wu, P.S., Du, H.Z., Zhang, X.L., Fang, L., , and Luo, J.F.. 2012. Occurence of %Phoma macdonaldii%, the Causal Agent of Sunflower Black Stem Disease, in Sunflower Fields in China. Pl. Dis. 96:1696