sourceTaxonName: Rhizopus oryzae
targetTaxonName: Helianthus annuus
localityName: United States
referenceCitation: Rogers, C.E., Thompson, T.E., and Zimmer, D.E.. 1978. Rhizopus head rot of sunflower:  etiology and severity in the south ern plains. Pl. Dis. Reporter 62:769-771